Changes to register xds plugin init and shutdown.

Also,
 - Changes to extract grpclb_proto into its own build target
 - Remove client_load_reporting_filter from xds plugin.

21 files changed, 211 insertions, 342 deletions

diff --git a/BUILD b/BUILD
index 71d7b7d09e..4a6928ac4f 100644
--- a/BUILD
+++ b/BUILD
@@ -279,6 +279,7 @@ grpc_cc_library(
     deps = [
         "grpc_common",
         "grpc_lb_policy_grpclb",
+        "grpc_lb_policy_xds",
     ],
 )
 
@@ -294,6 +295,7 @@ grpc_cc_library(
     deps = [
         "grpc_common",
         "grpc_lb_policy_grpclb_secure",
+        "grpc_lb_policy_xds_secure",
         "grpc_secure",
         "grpc_transport_chttp2_client_secure",
         "grpc_transport_chttp2_server_secure",
@@ -1199,6 +1201,24 @@ grpc_cc_library(
 )
 
 grpc_cc_library(
+    name = "grpclb_proto",
+    srcs = [
+        "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c",
+        "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c",
+        "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c",
+    ],
+    hdrs = [
+        "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.h",
+        "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.h",
+        "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h",
+    ],
+    external_deps = [
+        "nanopb",
+    ],
+    language = "c++",
+)
+
+grpc_cc_library(
     name = "grpc_lb_policy_grpclb",
     srcs = [
         "src/core/ext/filters/client_channel/lb_policy/grpclb/client_load_reporting_filter.cc",
@@ -1206,9 +1226,6 @@ grpc_cc_library(
         "src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel.cc",
         "src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.cc",
         "src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.cc",
-        "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c",
-        "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c",
-        "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c",
     ],
     hdrs = [
         "src/core/ext/filters/client_channel/lb_policy/grpclb/client_load_reporting_filter.h",
@@ -1216,9 +1233,6 @@ grpc_cc_library(
         "src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel.h",
         "src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.h",
         "src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.h",
-        "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.h",
-        "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.h",
-        "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h",
     ],
     external_deps = [
         "nanopb",
@@ -1228,6 +1242,7 @@ grpc_cc_library(
         "grpc_base",
         "grpc_client_channel",
         "grpc_resolver_fake",
+        "grpclb_proto",
     ],
 )
 
@@ -1239,9 +1254,6 @@ grpc_cc_library(
         "src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel_secure.cc",
         "src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.cc",
         "src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.cc",
-        "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c",
-        "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c",
-        "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c",
     ],
     hdrs = [
         "src/core/ext/filters/client_channel/lb_policy/grpclb/client_load_reporting_filter.h",
@@ -1249,9 +1261,6 @@ grpc_cc_library(
         "src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel.h",
         "src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.h",
         "src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.h",
-        "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.h",
-        "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.h",
-        "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h",
     ],
     external_deps = [
         "nanopb",
@@ -1262,30 +1271,23 @@ grpc_cc_library(
         "grpc_client_channel",
         "grpc_resolver_fake",
         "grpc_secure",
+        "grpclb_proto",
     ],
 )
 
 grpc_cc_library(
     name = "grpc_lb_policy_xds",
     srcs = [
-        "src/core/ext/filters/client_channel/lb_policy/xds/client_load_reporting_filter.cc",
         "src/core/ext/filters/client_channel/lb_policy/xds/xds.cc",
         "src/core/ext/filters/client_channel/lb_policy/xds/xds_channel.cc",
         "src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.cc",
-        "src/core/ext/filters/client_channel/lb_policy/xds/load_balancer_api.cc",
-        "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c",
-        "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c",
-        "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c",
+        "src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.cc",
     ],
     hdrs = [
-        "src/core/ext/filters/client_channel/lb_policy/xds/client_load_reporting_filter.h",
         "src/core/ext/filters/client_channel/lb_policy/xds/xds.h",
         "src/core/ext/filters/client_channel/lb_policy/xds/xds_channel.h",
         "src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.h",
-        "src/core/ext/filters/client_channel/lb_policy/xds/load_balancer_api.h",
-        "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.h",
-        "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.h",
-        "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h",
+        "src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.h",
     ],
     external_deps = [
         "nanopb",
@@ -1295,30 +1297,23 @@ grpc_cc_library(
         "grpc_base",
         "grpc_client_channel",
         "grpc_resolver_fake",
+        "grpclb_proto",
     ],
 )
 
 grpc_cc_library(
     name = "grpc_lb_policy_xds_secure",
     srcs = [
-        "src/core/ext/filters/client_channel/lb_policy/xds/client_load_reporting_filter.cc",
         "src/core/ext/filters/client_channel/lb_policy/xds/xds.cc",
         "src/core/ext/filters/client_channel/lb_policy/xds/xds_channel_secure.cc",
         "src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.cc",
-        "src/core/ext/filters/client_channel/lb_policy/xds/load_balancer_api.cc",
-        "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c",
-        "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c",
-        "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c",
+        "src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.cc",
     ],
     hdrs = [
-        "src/core/ext/filters/client_channel/lb_policy/xds/client_load_reporting_filter.h",
         "src/core/ext/filters/client_channel/lb_policy/xds/xds.h",
         "src/core/ext/filters/client_channel/lb_policy/xds/xds_channel.h",
         "src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.h",
-        "src/core/ext/filters/client_channel/lb_policy/xds/load_balancer_api.h",
-        "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.h",
-        "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.h",
-        "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h",
+        "src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.h",
     ],
     external_deps = [
         "nanopb",
@@ -1329,6 +1324,7 @@ grpc_cc_library(
         "grpc_client_channel",
         "grpc_resolver_fake",
         "grpc_secure",
+        "grpclb_proto",
     ],
 )
 
@@ -1586,6 +1582,7 @@ grpc_cc_library(
     ],
     hdrs = [
         "src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.h",
+        "src/core/ext/filters/client_channel/lb_policy/xds/xds.h",
         "src/core/lib/security/context/security_context.h",
         "src/core/lib/security/credentials/alts/alts_credentials.h",
         "src/core/lib/security/credentials/composite/composite_credentials.h",
diff --git a/CMakeLists.txt b/CMakeLists.txt
index e8de383ab1..e56c64abde 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1264,10 +1264,14 @@ add_library(grpc
   src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel_secure.cc
   src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.cc
   src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.cc
+  src/core/ext/filters/client_channel/resolver/fake/fake_resolver.cc
   src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c
   src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c
   src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c
-  src/core/ext/filters/client_channel/resolver/fake/fake_resolver.cc
+  src/core/ext/filters/client_channel/lb_policy/xds/xds.cc
+  src/core/ext/filters/client_channel/lb_policy/xds/xds_channel_secure.cc
+  src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.cc
+  src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.cc
   src/core/ext/filters/client_channel/lb_policy/pick_first/pick_first.cc
   src/core/ext/filters/client_channel/lb_policy/round_robin/round_robin.cc
   src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc
@@ -2617,12 +2621,16 @@ add_library(grpc_unsecure
   src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel.cc
   src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.cc
   src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.cc
-  src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c
-  src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c
-  src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c
   third_party/nanopb/pb_common.c
   third_party/nanopb/pb_decode.c
   third_party/nanopb/pb_encode.c
+  src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c
+  src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c
+  src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c
+  src/core/ext/filters/client_channel/lb_policy/xds/xds.cc
+  src/core/ext/filters/client_channel/lb_policy/xds/xds_channel.cc
+  src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.cc
+  src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.cc
   src/core/ext/filters/client_channel/lb_policy/pick_first/pick_first.cc
   src/core/ext/filters/client_channel/lb_policy/round_robin/round_robin.cc
   src/core/ext/filters/census/grpc_context.cc
diff --git a/Makefile b/Makefile
index b2f28f8a6d..fe320fa9dc 100644
--- a/Makefile
+++ b/Makefile
@@ -3732,10 +3732,14 @@ LIBGRPC_SRC = \
     src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel_secure.cc \
     src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.cc \
     src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.cc \
+    src/core/ext/filters/client_channel/resolver/fake/fake_resolver.cc \
     src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c \
     src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c \
     src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c \
-    src/core/ext/filters/client_channel/resolver/fake/fake_resolver.cc \
+    src/core/ext/filters/client_channel/lb_policy/xds/xds.cc \
+    src/core/ext/filters/client_channel/lb_policy/xds/xds_channel_secure.cc \
+    src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.cc \
+    src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.cc \
     src/core/ext/filters/client_channel/lb_policy/pick_first/pick_first.cc \
     src/core/ext/filters/client_channel/lb_policy/round_robin/round_robin.cc \
     src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc \
@@ -5031,12 +5035,16 @@ LIBGRPC_UNSECURE_SRC = \
     src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel.cc \
     src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.cc \
     src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.cc \
-    src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c \
-    src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c \
-    src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c \
     third_party/nanopb/pb_common.c \
     third_party/nanopb/pb_decode.c \
     third_party/nanopb/pb_encode.c \
+    src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c \
+    src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c \
+    src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c \
+    src/core/ext/filters/client_channel/lb_policy/xds/xds.cc \
+    src/core/ext/filters/client_channel/lb_policy/xds/xds_channel.cc \
+    src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.cc \
+    src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.cc \
     src/core/ext/filters/client_channel/lb_policy/pick_first/pick_first.cc \
     src/core/ext/filters/client_channel/lb_policy/round_robin/round_robin.cc \
     src/core/ext/filters/census/grpc_context.cc \
@@ -24804,6 +24812,7 @@ ifneq ($(OPENSSL_DEP),)
 # installing headers to their final destination on the drive. We need this
 # otherwise parallel compilation will fail if a source is compiled first.
 src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel_secure.cc: $(OPENSSL_DEP)
+src/core/ext/filters/client_channel/lb_policy/xds/xds_channel_secure.cc: $(OPENSSL_DEP)
 src/core/ext/transport/chttp2/client/secure/secure_channel_create.cc: $(OPENSSL_DEP)
 src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.cc: $(OPENSSL_DEP)
 src/core/ext/transport/cronet/client/secure/cronet_channel_create.cc: $(OPENSSL_DEP)
diff --git a/build.yaml b/build.yaml
index b2011562a2..9386048e21 100644
--- a/build.yaml
+++ b/build.yaml
@@ -655,24 +655,19 @@ filegroups:
   - src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel.h
   - src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.h
   - src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.h
-  - src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.h
-  - src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.h
-  - src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h
   src:
   - src/core/ext/filters/client_channel/lb_policy/grpclb/client_load_reporting_filter.cc
   - src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.cc
   - src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel.cc
   - src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.cc
   - src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.cc
-  - src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c
-  - src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c
-  - src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c
   plugin: grpc_lb_policy_grpclb
   uses:
   - grpc_base
   - grpc_client_channel
   - nanopb
   - grpc_resolver_fake
+  - grpclb_proto
 - name: grpc_lb_policy_grpclb_secure
   headers:
   - src/core/ext/filters/client_channel/lb_policy/grpclb/client_load_reporting_filter.h
@@ -680,18 +675,12 @@ filegroups:
   - src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel.h
   - src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.h
   - src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.h
-  - src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.h
-  - src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.h
-  - src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h
   src:
   - src/core/ext/filters/client_channel/lb_policy/grpclb/client_load_reporting_filter.cc
   - src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.cc
   - src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel_secure.cc
   - src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.cc
   - src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.cc
-  - src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c
-  - src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c
-  - src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c
   plugin: grpc_lb_policy_grpclb
   uses:
   - grpc_base
@@ -699,6 +688,7 @@ filegroups:
   - grpc_client_channel
   - nanopb
   - grpc_resolver_fake
+  - grpclb_proto
 - name: grpc_lb_policy_pick_first
   src:
   - src/core/ext/filters/client_channel/lb_policy/pick_first/pick_first.cc
@@ -717,48 +707,33 @@ filegroups:
   - grpc_lb_subchannel_list
 - name: grpc_lb_policy_xds
   headers:
-  - src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.h
-  - src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.h
-  - src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h
-  - src/core/ext/filters/client_channel/lb_policy/xds/client_load_reporting_filter.h
-  - src/core/ext/filters/client_channel/lb_policy/xds/load_balancer_api.h
   - src/core/ext/filters/client_channel/lb_policy/xds/xds.h
   - src/core/ext/filters/client_channel/lb_policy/xds/xds_channel.h
   - src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.h
+  - src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.h
   src:
-  - src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c
-  - src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c
-  - src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c
-  - src/core/ext/filters/client_channel/lb_policy/xds/client_load_reporting_filter.cc
-  - src/core/ext/filters/client_channel/lb_policy/xds/load_balancer_api.cc
   - src/core/ext/filters/client_channel/lb_policy/xds/xds.cc
   - src/core/ext/filters/client_channel/lb_policy/xds/xds_channel.cc
   - src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.cc
+  - src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.cc
   plugin: grpc_lb_policy_xds
   uses:
   - grpc_base
   - grpc_client_channel
   - nanopb
   - grpc_resolver_fake
+  - grpclb_proto
 - name: grpc_lb_policy_xds_secure
   headers:
-  - src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.h
-  - src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.h
-  - src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h
-  - src/core/ext/filters/client_channel/lb_policy/xds/client_load_reporting_filter.h
-  - src/core/ext/filters/client_channel/lb_policy/xds/load_balancer_api.h
   - src/core/ext/filters/client_channel/lb_policy/xds/xds.h
   - src/core/ext/filters/client_channel/lb_policy/xds/xds_channel.h
   - src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.h
+  - src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.h
   src:
-  - src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c
-  - src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c
-  - src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c
-  - src/core/ext/filters/client_channel/lb_policy/xds/client_load_reporting_filter.cc
-  - src/core/ext/filters/client_channel/lb_policy/xds/load_balancer_api.cc
   - src/core/ext/filters/client_channel/lb_policy/xds/xds.cc
   - src/core/ext/filters/client_channel/lb_policy/xds/xds_channel_secure.cc
   - src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.cc
+  - src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.cc
   plugin: grpc_lb_policy_xds
   uses:
   - grpc_base
@@ -766,6 +741,7 @@ filegroups:
   - grpc_client_channel
   - nanopb
   - grpc_resolver_fake
+  - grpclb_proto
 - name: grpc_lb_subchannel_list
   headers:
   - src/core/ext/filters/client_channel/lb_policy/subchannel_list.h
@@ -833,6 +809,7 @@ filegroups:
   - include/grpc/grpc_security.h
   headers:
   - src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.h
+  - src/core/ext/filters/client_channel/lb_policy/xds/xds.h
   - src/core/lib/security/context/security_context.h
   - src/core/lib/security/credentials/alts/alts_credentials.h
   - src/core/lib/security/credentials/composite/composite_credentials.h
@@ -1119,6 +1096,17 @@ filegroups:
   uses:
   - grpc_base
   - grpc_server_backward_compatibility
+- name: grpclb_proto
+  headers:
+  - src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.h
+  - src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.h
+  - src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h
+  src:
+  - src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c
+  - src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c
+  - src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c
+  uses:
+  - nanopb
 - name: nanopb
   src:
   - third_party/nanopb/pb_common.c
@@ -1514,6 +1502,7 @@ libs:
   - grpc_transport_chttp2_client_insecure
   - grpc_transport_inproc
   - grpc_lb_policy_grpclb_secure
+  - grpc_lb_policy_xds_secure
   - grpc_lb_policy_pick_first
   - grpc_lb_policy_round_robin
   - grpc_resolver_dns_ares
@@ -1593,6 +1582,7 @@ libs:
   - grpc_resolver_sockaddr
   - grpc_resolver_fake
   - grpc_lb_policy_grpclb
+  - grpc_lb_policy_xds
   - grpc_lb_policy_pick_first
   - grpc_lb_policy_round_robin
   - census
diff --git a/config.m4 b/config.m4
index b9862f34ab..9b758b3f14 100644
--- a/config.m4
+++ b/config.m4
@@ -374,10 +374,14 @@ if test "$PHP_GRPC" != "no"; then
     src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel_secure.cc \
     src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.cc \
     src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.cc \
+    src/core/ext/filters/client_channel/resolver/fake/fake_resolver.cc \
     src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c \
     src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c \
     src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c \
-    src/core/ext/filters/client_channel/resolver/fake/fake_resolver.cc \
+    src/core/ext/filters/client_channel/lb_policy/xds/xds.cc \
+    src/core/ext/filters/client_channel/lb_policy/xds/xds_channel_secure.cc \
+    src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.cc \
+    src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.cc \
     src/core/ext/filters/client_channel/lb_policy/pick_first/pick_first.cc \
     src/core/ext/filters/client_channel/lb_policy/round_robin/round_robin.cc \
     src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc \
@@ -668,6 +672,7 @@ if test "$PHP_GRPC" != "no"; then
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/filters/client_channel/lb_policy/pick_first)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/filters/client_channel/lb_policy/round_robin)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/filters/client_channel/lb_policy/xds)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/filters/client_channel/resolver/dns/c_ares)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/filters/client_channel/resolver/dns/native)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/filters/client_channel/resolver/fake)
diff --git a/config.w32 b/config.w32
index 90a51057c4..a1bada1c61 100644
--- a/config.w32
+++ b/config.w32
@@ -349,10 +349,14 @@ if (PHP_GRPC != "no") {
     "src\\core\\ext\\filters\\client_channel\\lb_policy\\grpclb\\grpclb_channel_secure.cc " +
     "src\\core\\ext\\filters\\client_channel\\lb_policy\\grpclb\\grpclb_client_stats.cc " +
     "src\\core\\ext\\filters\\client_channel\\lb_policy\\grpclb\\load_balancer_api.cc " +
+    "src\\core\\ext\\filters\\client_channel\\resolver\\fake\\fake_resolver.cc " +
     "src\\core\\ext\\filters\\client_channel\\lb_policy\\grpclb\\proto\\grpc\\lb\\v1\\google\\protobuf\\duration.pb.c " +
     "src\\core\\ext\\filters\\client_channel\\lb_policy\\grpclb\\proto\\grpc\\lb\\v1\\google\\protobuf\\timestamp.pb.c " +
     "src\\core\\ext\\filters\\client_channel\\lb_policy\\grpclb\\proto\\grpc\\lb\\v1\\load_balancer.pb.c " +
-    "src\\core\\ext\\filters\\client_channel\\resolver\\fake\\fake_resolver.cc " +
+    "src\\core\\ext\\filters\\client_channel\\lb_policy\\xds\\xds.cc " +
+    "src\\core\\ext\\filters\\client_channel\\lb_policy\\xds\\xds_channel_secure.cc " +
+    "src\\core\\ext\\filters\\client_channel\\lb_policy\\xds\\xds_client_stats.cc " +
+    "src\\core\\ext\\filters\\client_channel\\lb_policy\\xds\\xds_load_balancer_api.cc " +
     "src\\core\\ext\\filters\\client_channel\\lb_policy\\pick_first\\pick_first.cc " +
     "src\\core\\ext\\filters\\client_channel\\lb_policy\\round_robin\\round_robin.cc " +
     "src\\core\\ext\\filters\\client_channel\\resolver\\dns\\c_ares\\dns_resolver_ares.cc " +
@@ -678,6 +682,7 @@ if (PHP_GRPC != "no") {
   FSO.CreateFolder(base_dir+"\\ext\\grpc\\src\\core\\ext\\filters\\client_channel\\lb_policy\\grpclb\\proto\\grpc\\lb\\v1\\google\\protobuf");
   FSO.CreateFolder(base_dir+"\\ext\\grpc\\src\\core\\ext\\filters\\client_channel\\lb_policy\\pick_first");
   FSO.CreateFolder(base_dir+"\\ext\\grpc\\src\\core\\ext\\filters\\client_channel\\lb_policy\\round_robin");
+  FSO.CreateFolder(base_dir+"\\ext\\grpc\\src\\core\\ext\\filters\\client_channel\\lb_policy\\xds");
   FSO.CreateFolder(base_dir+"\\ext\\grpc\\src\\core\\ext\\filters\\client_channel\\resolver");
   FSO.CreateFolder(base_dir+"\\ext\\grpc\\src\\core\\ext\\filters\\client_channel\\resolver\\dns");
   FSO.CreateFolder(base_dir+"\\ext\\grpc\\src\\core\\ext\\filters\\client_channel\\resolver\\dns\\c_ares");
diff --git a/gRPC-C++.podspec b/gRPC-C++.podspec
index 3cc19d5908..1ab17006e3 100644
--- a/gRPC-C++.podspec
+++ b/gRPC-C++.podspec
@@ -269,6 +269,7 @@ Pod::Spec.new do |s|
                       'src/core/ext/filters/http/message_compress/message_compress_filter.h',
                       'src/core/ext/filters/http/server/http_server_filter.h',
                       'src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.h',
+                      'src/core/ext/filters/client_channel/lb_policy/xds/xds.h',
                       'src/core/lib/security/context/security_context.h',
                       'src/core/lib/security/credentials/alts/alts_credentials.h',
                       'src/core/lib/security/credentials/composite/composite_credentials.h',
@@ -495,10 +496,13 @@ Pod::Spec.new do |s|
                       'src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel.h',
                       'src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.h',
                       'src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.h',
+                      'src/core/ext/filters/client_channel/resolver/fake/fake_resolver.h',
                       'src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.h',
                       'src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.h',
                       'src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h',
-                      'src/core/ext/filters/client_channel/resolver/fake/fake_resolver.h',
+                      'src/core/ext/filters/client_channel/lb_policy/xds/xds_channel.h',
+                      'src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.h',
+                      'src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.h',
                       'src/core/ext/filters/client_channel/lb_policy/subchannel_list.h',
                       'src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_ev_driver.h',
                       'src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h',
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index 8bb2311414..8d63f67c34 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -276,6 +276,7 @@ Pod::Spec.new do |s|
                       'src/core/ext/filters/http/message_compress/message_compress_filter.h',
                       'src/core/ext/filters/http/server/http_server_filter.h',
                       'src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.h',
+                      'src/core/ext/filters/client_channel/lb_policy/xds/xds.h',
                       'src/core/lib/security/context/security_context.h',
                       'src/core/lib/security/credentials/alts/alts_credentials.h',
                       'src/core/lib/security/credentials/composite/composite_credentials.h',
@@ -502,10 +503,13 @@ Pod::Spec.new do |s|
                       'src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel.h',
                       'src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.h',
                       'src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.h',
+                      'src/core/ext/filters/client_channel/resolver/fake/fake_resolver.h',
                       'src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.h',
                       'src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.h',
                       'src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h',
-                      'src/core/ext/filters/client_channel/resolver/fake/fake_resolver.h',
+                      'src/core/ext/filters/client_channel/lb_policy/xds/xds_channel.h',
+                      'src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.h',
+                      'src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.h',
                       'src/core/ext/filters/client_channel/lb_policy/subchannel_list.h',
                       'src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_ev_driver.h',
                       'src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h',
@@ -802,10 +806,14 @@ Pod::Spec.new do |s|
                       'src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel_secure.cc',
                       'src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.cc',
                       'src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.cc',
+                      'src/core/ext/filters/client_channel/resolver/fake/fake_resolver.cc',
                       'src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c',
                       'src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c',
                       'src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c',
-                      'src/core/ext/filters/client_channel/resolver/fake/fake_resolver.cc',
+                      'src/core/ext/filters/client_channel/lb_policy/xds/xds.cc',
+                      'src/core/ext/filters/client_channel/lb_policy/xds/xds_channel_secure.cc',
+                      'src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.cc',
+                      'src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.cc',
                       'src/core/ext/filters/client_channel/lb_policy/pick_first/pick_first.cc',
                       'src/core/ext/filters/client_channel/lb_policy/round_robin/round_robin.cc',
                       'src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc',
@@ -877,6 +885,7 @@ Pod::Spec.new do |s|
                               'src/core/ext/filters/http/message_compress/message_compress_filter.h',
                               'src/core/ext/filters/http/server/http_server_filter.h',
                               'src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.h',
+                              'src/core/ext/filters/client_channel/lb_policy/xds/xds.h',
                               'src/core/lib/security/context/security_context.h',
                               'src/core/lib/security/credentials/alts/alts_credentials.h',
                               'src/core/lib/security/credentials/composite/composite_credentials.h',
@@ -1103,10 +1112,13 @@ Pod::Spec.new do |s|
                               'src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel.h',
                               'src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.h',
                               'src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.h',
+                              'src/core/ext/filters/client_channel/resolver/fake/fake_resolver.h',
                               'src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.h',
                               'src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.h',
                               'src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h',
-                              'src/core/ext/filters/client_channel/resolver/fake/fake_resolver.h',
+                              'src/core/ext/filters/client_channel/lb_policy/xds/xds_channel.h',
+                              'src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.h',
+                              'src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.h',
                               'src/core/ext/filters/client_channel/lb_policy/subchannel_list.h',
                               'src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_ev_driver.h',
                               'src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h',
diff --git a/grpc.gemspec b/grpc.gemspec
index 81f93f4419..533bb90b75 100644
--- a/grpc.gemspec
+++ b/grpc.gemspec
@@ -208,6 +208,7 @@ Gem::Specification.new do |s|
   s.files += %w( src/core/ext/filters/http/message_compress/message_compress_filter.h )
   s.files += %w( src/core/ext/filters/http/server/http_server_filter.h )
   s.files += %w( src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.h )
+  s.files += %w( src/core/ext/filters/client_channel/lb_policy/xds/xds.h )
   s.files += %w( src/core/lib/security/context/security_context.h )
   s.files += %w( src/core/lib/security/credentials/alts/alts_credentials.h )
   s.files += %w( src/core/lib/security/credentials/composite/composite_credentials.h )
@@ -438,10 +439,13 @@ Gem::Specification.new do |s|
   s.files += %w( src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel.h )
   s.files += %w( src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.h )
   s.files += %w( src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.h )
+  s.files += %w( src/core/ext/filters/client_channel/resolver/fake/fake_resolver.h )
   s.files += %w( src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.h )
   s.files += %w( src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.h )
   s.files += %w( src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h )
-  s.files += %w( src/core/ext/filters/client_channel/resolver/fake/fake_resolver.h )
+  s.files += %w( src/core/ext/filters/client_channel/lb_policy/xds/xds_channel.h )
+  s.files += %w( src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.h )
+  s.files += %w( src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.h )
   s.files += %w( src/core/ext/filters/client_channel/lb_policy/subchannel_list.h )
   s.files += %w( src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_ev_driver.h )
   s.files += %w( src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h )
@@ -741,10 +745,14 @@ Gem::Specification.new do |s|
   s.files += %w( src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel_secure.cc )
   s.files += %w( src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.cc )
   s.files += %w( src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.cc )
+  s.files += %w( src/core/ext/filters/client_channel/resolver/fake/fake_resolver.cc )
   s.files += %w( src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c )
   s.files += %w( src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c )
   s.files += %w( src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c )
-  s.files += %w( src/core/ext/filters/client_channel/resolver/fake/fake_resolver.cc )
+  s.files += %w( src/core/ext/filters/client_channel/lb_policy/xds/xds.cc )
+  s.files += %w( src/core/ext/filters/client_channel/lb_policy/xds/xds_channel_secure.cc )
+  s.files += %w( src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.cc )
+  s.files += %w( src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.cc )
   s.files += %w( src/core/ext/filters/client_channel/lb_policy/pick_first/pick_first.cc )
   s.files += %w( src/core/ext/filters/client_channel/lb_policy/round_robin/round_robin.cc )
   s.files += %w( src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc )
diff --git a/grpc.gyp b/grpc.gyp
index 8e14b49cc4..36a458b139 100644
--- a/grpc.gyp
+++ b/grpc.gyp
@@ -566,10 +566,14 @@
         'src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel_secure.cc',
         'src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.cc',
         'src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.cc',
+        'src/core/ext/filters/client_channel/resolver/fake/fake_resolver.cc',
         'src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c',
         'src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c',
         'src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c',
-        'src/core/ext/filters/client_channel/resolver/fake/fake_resolver.cc',
+        'src/core/ext/filters/client_channel/lb_policy/xds/xds.cc',
+        'src/core/ext/filters/client_channel/lb_policy/xds/xds_channel_secure.cc',
+        'src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.cc',
+        'src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.cc',
         'src/core/ext/filters/client_channel/lb_policy/pick_first/pick_first.cc',
         'src/core/ext/filters/client_channel/lb_policy/round_robin/round_robin.cc',
         'src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc',
@@ -1299,12 +1303,16 @@
         'src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel.cc',
         'src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.cc',
         'src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.cc',
-        'src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c',
-        'src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c',
-        'src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c',
         'third_party/nanopb/pb_common.c',
         'third_party/nanopb/pb_decode.c',
         'third_party/nanopb/pb_encode.c',
+        'src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c',
+        'src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c',
+        'src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c',
+        'src/core/ext/filters/client_channel/lb_policy/xds/xds.cc',
+        'src/core/ext/filters/client_channel/lb_policy/xds/xds_channel.cc',
+        'src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.cc',
+        'src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.cc',
         'src/core/ext/filters/client_channel/lb_policy/pick_first/pick_first.cc',
         'src/core/ext/filters/client_channel/lb_policy/round_robin/round_robin.cc',
         'src/core/ext/filters/census/grpc_context.cc',
diff --git a/package.xml b/package.xml
index be3fd0d4c2..0d40707786 100644
--- a/package.xml
+++ b/package.xml
@@ -213,6 +213,7 @@
     <file baseinstalldir="/" name="src/core/ext/filters/http/message_compress/message_compress_filter.h" role="src" />
     <file baseinstalldir="/" name="src/core/ext/filters/http/server/http_server_filter.h" role="src" />
     <file baseinstalldir="/" name="src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/filters/client_channel/lb_policy/xds/xds.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/security/context/security_context.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/security/credentials/alts/alts_credentials.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/security/credentials/composite/composite_credentials.h" role="src" />
@@ -443,10 +444,13 @@
     <file baseinstalldir="/" name="src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel.h" role="src" />
     <file baseinstalldir="/" name="src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.h" role="src" />
     <file baseinstalldir="/" name="src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/filters/client_channel/resolver/fake/fake_resolver.h" role="src" />
     <file baseinstalldir="/" name="src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.h" role="src" />
     <file baseinstalldir="/" name="src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.h" role="src" />
     <file baseinstalldir="/" name="src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/filters/client_channel/resolver/fake/fake_resolver.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/filters/client_channel/lb_policy/xds/xds_channel.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.h" role="src" />
     <file baseinstalldir="/" name="src/core/ext/filters/client_channel/lb_policy/subchannel_list.h" role="src" />
     <file baseinstalldir="/" name="src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_ev_driver.h" role="src" />
     <file baseinstalldir="/" name="src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h" role="src" />
@@ -746,10 +750,14 @@
     <file baseinstalldir="/" name="src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel_secure.cc" role="src" />
     <file baseinstalldir="/" name="src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.cc" role="src" />
     <file baseinstalldir="/" name="src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.cc" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/filters/client_channel/resolver/fake/fake_resolver.cc" role="src" />
     <file baseinstalldir="/" name="src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c" role="src" />
     <file baseinstalldir="/" name="src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c" role="src" />
     <file baseinstalldir="/" name="src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/filters/client_channel/resolver/fake/fake_resolver.cc" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/filters/client_channel/lb_policy/xds/xds.cc" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/filters/client_channel/lb_policy/xds/xds_channel_secure.cc" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.cc" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.cc" role="src" />
     <file baseinstalldir="/" name="src/core/ext/filters/client_channel/lb_policy/pick_first/pick_first.cc" role="src" />
     <file baseinstalldir="/" name="src/core/ext/filters/client_channel/lb_policy/round_robin/round_robin.cc" role="src" />
     <file baseinstalldir="/" name="src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc" role="src" />
diff --git a/src/core/ext/filters/client_channel/lb_policy/xds/client_load_reporting_filter.cc b/src/core/ext/filters/client_channel/lb_policy/xds/client_load_reporting_filter.cc
deleted file mode 100644
index d79453d008..0000000000
--- a/src/core/ext/filters/client_channel/lb_policy/xds/client_load_reporting_filter.cc
+++ /dev/null
@@ -1,140 +0,0 @@
-/*
- *
- * Copyright 2018 gRPC authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-#include <grpc/support/port_platform.h>
-
-#include "src/core/ext/filters/client_channel/lb_policy/xds/client_load_reporting_filter.h"
-
-#include <grpc/support/atm.h>
-#include <grpc/support/log.h>
-
-#include "src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.h"
-#include "src/core/lib/iomgr/error.h"
-#include "src/core/lib/profiling/timers.h"
-
-static grpc_error* init_channel_elem(grpc_channel_element* elem,
-                                     grpc_channel_element_args* args) {
-  return GRPC_ERROR_NONE;
-}
-
-static void destroy_channel_elem(grpc_channel_element* elem) {}
-
-namespace {
-
-struct call_data {
-  // Stats object to update.
-  grpc_core::RefCountedPtr<grpc_core::XdsLbClientStats> client_stats;
-  // State for intercepting send_initial_metadata.
-  grpc_closure on_complete_for_send;
-  grpc_closure* original_on_complete_for_send;
-  bool send_initial_metadata_succeeded;
-  // State for intercepting recv_initial_metadata.
-  grpc_closure recv_initial_metadata_ready;
-  grpc_closure* original_recv_initial_metadata_ready;
-  bool recv_initial_metadata_succeeded;
-};
-
-}  // namespace
-
-static void on_complete_for_send(void* arg, grpc_error* error) {
-  call_data* calld = static_cast<call_data*>(arg);
-  if (error == GRPC_ERROR_NONE) {
-    calld->send_initial_metadata_succeeded = true;
-  }
-  GRPC_CLOSURE_RUN(calld->original_on_complete_for_send, GRPC_ERROR_REF(error));
-}
-
-static void recv_initial_metadata_ready(void* arg, grpc_error* error) {
-  call_data* calld = static_cast<call_data*>(arg);
-  if (error == GRPC_ERROR_NONE) {
-    calld->recv_initial_metadata_succeeded = true;
-  }
-  GRPC_CLOSURE_RUN(calld->original_recv_initial_metadata_ready,
-                   GRPC_ERROR_REF(error));
-}
-
-static grpc_error* init_call_elem(grpc_call_element* elem,
-                                  const grpc_call_element_args* args) {
-  call_data* calld = static_cast<call_data*>(elem->call_data);
-  // Get stats object from context and take a ref.
-  GPR_ASSERT(args->context != nullptr);
-  if (args->context[GRPC_GRPCLB_CLIENT_STATS].value != nullptr) {
-    calld->client_stats = static_cast<grpc_core::XdsLbClientStats*>(
-                              args->context[GRPC_GRPCLB_CLIENT_STATS].value)
-                              ->Ref();
-    // Record call started.
-    calld->client_stats->AddCallStarted();
-  }
-  return GRPC_ERROR_NONE;
-}
-
-static void destroy_call_elem(grpc_call_element* elem,
-                              const grpc_call_final_info* final_info,
-                              grpc_closure* ignored) {
-  call_data* calld = static_cast<call_data*>(elem->call_data);
-  if (calld->client_stats != nullptr) {
-    // Record call finished, optionally setting client_failed_to_send and
-    // received.
-    calld->client_stats->AddCallFinished(
-        !calld->send_initial_metadata_succeeded /* client_failed_to_send */,
-        calld->recv_initial_metadata_succeeded /* known_received */);
-    // All done, so unref the stats object.
-    // TODO(roth): Eliminate this once filter stack is converted to C++.
-    calld->client_stats.reset();
-  }
-}
-
-static void start_transport_stream_op_batch(
-    grpc_call_element* elem, grpc_transport_stream_op_batch* batch) {
-  call_data* calld = static_cast<call_data*>(elem->call_data);
-  GPR_TIMER_SCOPE("clr_start_transport_stream_op_batch", 0);
-  if (calld->client_stats != nullptr) {
-    // Intercept send_initial_metadata.
-    if (batch->send_initial_metadata) {
-      calld->original_on_complete_for_send = batch->on_complete;
-      GRPC_CLOSURE_INIT(&calld->on_complete_for_send, on_complete_for_send,
-                        calld, grpc_schedule_on_exec_ctx);
-      batch->on_complete = &calld->on_complete_for_send;
-    }
-    // Intercept recv_initial_metadata.
-    if (batch->recv_initial_metadata) {
-      calld->original_recv_initial_metadata_ready =
-          batch->payload->recv_initial_metadata.recv_initial_metadata_ready;
-      GRPC_CLOSURE_INIT(&calld->recv_initial_metadata_ready,
-                        recv_initial_metadata_ready, calld,
-                        grpc_schedule_on_exec_ctx);
-      batch->payload->recv_initial_metadata.recv_initial_metadata_ready =
-          &calld->recv_initial_metadata_ready;
-    }
-  }
-  // Chain to next filter.
-  grpc_call_next_op(elem, batch);
-}
-
-const grpc_channel_filter xds_client_load_reporting_filter = {
-    start_transport_stream_op_batch,
-    grpc_channel_next_op,
-    sizeof(call_data),
-    init_call_elem,
-    grpc_call_stack_ignore_set_pollset_or_pollset_set,
-    destroy_call_elem,
-    0,  // sizeof(channel_data)
-    init_channel_elem,
-    destroy_channel_elem,
-    grpc_channel_next_get_info,
-    "client_load_reporting"};
diff --git a/src/core/ext/filters/client_channel/lb_policy/xds/client_load_reporting_filter.h b/src/core/ext/filters/client_channel/lb_policy/xds/client_load_reporting_filter.h
deleted file mode 100644
index 31a799154c..0000000000
--- a/src/core/ext/filters/client_channel/lb_policy/xds/client_load_reporting_filter.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- *
- * Copyright 2018 gRPC authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_XDS_CLIENT_LOAD_REPORTING_FILTER_H
-#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_XDS_CLIENT_LOAD_REPORTING_FILTER_H
-
-#include <grpc/support/port_platform.h>
-
-#include "src/core/lib/channel/channel_stack.h"
-
-extern const grpc_channel_filter xds_client_load_reporting_filter;
-
-#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_XDS_CLIENT_LOAD_REPORTING_FILTER_H \
-        */
diff --git a/src/core/ext/filters/client_channel/lb_policy/xds/xds.cc b/src/core/ext/filters/client_channel/lb_policy/xds/xds.cc
index 16e910b2d9..7fb4cbdcd2 100644
--- a/src/core/ext/filters/client_channel/lb_policy/xds/xds.cc
+++ b/src/core/ext/filters/client_channel/lb_policy/xds/xds.cc
@@ -75,11 +75,10 @@
 
 #include "src/core/ext/filters/client_channel/client_channel.h"
 #include "src/core/ext/filters/client_channel/client_channel_factory.h"
-#include "src/core/ext/filters/client_channel/lb_policy/xds/client_load_reporting_filter.h"
-#include "src/core/ext/filters/client_channel/lb_policy/xds/load_balancer_api.h"
 #include "src/core/ext/filters/client_channel/lb_policy/xds/xds.h"
 #include "src/core/ext/filters/client_channel/lb_policy/xds/xds_channel.h"
 #include "src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.h"
+#include "src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.h"
 #include "src/core/ext/filters/client_channel/lb_policy_factory.h"
 #include "src/core/ext/filters/client_channel/lb_policy_registry.h"
 #include "src/core/ext/filters/client_channel/parse_address.h"
@@ -1483,7 +1482,6 @@ void XdsLb::OnBalancerChannelConnectivityChangedLocked(void* arg,
         xdslb_policy->lb_call_backoff_.Reset();
         xdslb_policy->StartBalancerCallLocked();
       }
-      [[fallthrough]];
       // Fall through.
     case GRPC_CHANNEL_SHUTDOWN:
     done:
@@ -1861,34 +1859,11 @@ class XdsFactory : public LoadBalancingPolicyFactory {
 // Plugin registration
 //
 
-namespace {
-
-// Only add client_load_reporting filter if the grpclb LB policy is used.
-bool maybe_add_client_load_reporting_filter(grpc_channel_stack_builder* builder,
-                                            void* arg) {
-  const grpc_channel_args* args =
-      grpc_channel_stack_builder_get_channel_arguments(builder);
-  const grpc_arg* channel_arg =
-      grpc_channel_args_find(args, GRPC_ARG_LB_POLICY_NAME);
-  if (channel_arg != nullptr && channel_arg->type == GRPC_ARG_STRING &&
-      strcmp(channel_arg->value.string, "grpclb") == 0) {
-    return grpc_channel_stack_builder_append_filter(
-        builder, (const grpc_channel_filter*)arg, nullptr, nullptr);
-  }
-  return true;
-}
-
-}  // namespace
-
 void grpc_lb_policy_xds_init() {
   grpc_core::LoadBalancingPolicyRegistry::Builder::
       RegisterLoadBalancingPolicyFactory(
           grpc_core::UniquePtr<grpc_core::LoadBalancingPolicyFactory>(
               grpc_core::New<grpc_core::XdsFactory>()));
-  grpc_channel_init_register_stage(GRPC_CLIENT_SUBCHANNEL,
-                                   GRPC_CHANNEL_INIT_BUILTIN_PRIORITY,
-                                   maybe_add_client_load_reporting_filter,
-                                   (void*)&xds_client_load_reporting_filter);
 }
 
 void grpc_lb_policy_xds_shutdown() {}
diff --git a/src/core/ext/filters/client_channel/lb_policy/xds/load_balancer_api.cc b/src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.cc
index 3bd2653635..79b7bdbe33 100644
--- a/src/core/ext/filters/client_channel/lb_policy/xds/load_balancer_api.cc
+++ b/src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.cc
@@ -20,7 +20,7 @@
 
 #include "pb_decode.h"
 #include "pb_encode.h"
-#include "src/core/ext/filters/client_channel/lb_policy/xds/load_balancer_api.h"
+#include "src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.h"
 
 #include <grpc/support/alloc.h>
 
diff --git a/src/core/ext/filters/client_channel/lb_policy/xds/load_balancer_api.h b/src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.h
index 3f096af6d6..9d08defa7e 100644
--- a/src/core/ext/filters/client_channel/lb_policy/xds/load_balancer_api.h
+++ b/src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.h
@@ -16,8 +16,8 @@
  *
  */
 
-#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_XDS_LOAD_BALANCER_API_H
-#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_XDS_LOAD_BALANCER_API_H
+#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_XDS_XDS_LOAD_BALANCER_API_H
+#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_XDS_XDS_LOAD_BALANCER_API_H
 
 #include <grpc/support/port_platform.h>
 
@@ -85,5 +85,5 @@ grpc_millis xds_grpclb_duration_to_millis(xds_grpclb_duration* duration_pb);
 /** Destroy \a initial_response */
 void xds_grpclb_initial_response_destroy(xds_grpclb_initial_response* response);
 
-#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_XDS_LOAD_BALANCER_API_H \
+#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_XDS_XDS_LOAD_BALANCER_API_H \
         */
diff --git a/src/core/plugin_registry/grpc_plugin_registry.cc b/src/core/plugin_registry/grpc_plugin_registry.cc
index fb523a173d..94c2493d5e 100644
--- a/src/core/plugin_registry/grpc_plugin_registry.cc
+++ b/src/core/plugin_registry/grpc_plugin_registry.cc
@@ -36,6 +36,8 @@ void grpc_resolver_fake_init(void);
 void grpc_resolver_fake_shutdown(void);
 void grpc_lb_policy_grpclb_init(void);
 void grpc_lb_policy_grpclb_shutdown(void);
+void grpc_lb_policy_xds_init(void);
+void grpc_lb_policy_xds_shutdown(void);
 void grpc_lb_policy_pick_first_init(void);
 void grpc_lb_policy_pick_first_shutdown(void);
 void grpc_lb_policy_round_robin_init(void);
@@ -72,6 +74,8 @@ void grpc_register_built_in_plugins(void) {
                        grpc_resolver_fake_shutdown);
   grpc_register_plugin(grpc_lb_policy_grpclb_init,
                        grpc_lb_policy_grpclb_shutdown);
+  grpc_register_plugin(grpc_lb_policy_xds_init,
+                       grpc_lb_policy_xds_shutdown);
   grpc_register_plugin(grpc_lb_policy_pick_first_init,
                        grpc_lb_policy_pick_first_shutdown);
   grpc_register_plugin(grpc_lb_policy_round_robin_init,
diff --git a/src/core/plugin_registry/grpc_unsecure_plugin_registry.cc b/src/core/plugin_registry/grpc_unsecure_plugin_registry.cc
index 80214aebe2..5749ab6b95 100644
--- a/src/core/plugin_registry/grpc_unsecure_plugin_registry.cc
+++ b/src/core/plugin_registry/grpc_unsecure_plugin_registry.cc
@@ -40,6 +40,8 @@ void grpc_resolver_fake_init(void);
 void grpc_resolver_fake_shutdown(void);
 void grpc_lb_policy_grpclb_init(void);
 void grpc_lb_policy_grpclb_shutdown(void);
+void grpc_lb_policy_xds_init(void);
+void grpc_lb_policy_xds_shutdown(void);
 void grpc_lb_policy_pick_first_init(void);
 void grpc_lb_policy_pick_first_shutdown(void);
 void grpc_lb_policy_round_robin_init(void);
@@ -74,6 +76,8 @@ void grpc_register_built_in_plugins(void) {
                        grpc_resolver_fake_shutdown);
   grpc_register_plugin(grpc_lb_policy_grpclb_init,
                        grpc_lb_policy_grpclb_shutdown);
+  grpc_register_plugin(grpc_lb_policy_xds_init,
+                       grpc_lb_policy_xds_shutdown);
   grpc_register_plugin(grpc_lb_policy_pick_first_init,
                        grpc_lb_policy_pick_first_shutdown);
   grpc_register_plugin(grpc_lb_policy_round_robin_init,
diff --git a/src/python/grpcio/grpc_core_dependencies.py b/src/python/grpcio/grpc_core_dependencies.py
index 932621a38d..0bd3951a19 100644
--- a/src/python/grpcio/grpc_core_dependencies.py
+++ b/src/python/grpcio/grpc_core_dependencies.py
@@ -348,10 +348,14 @@ CORE_SOURCE_FILES = [
     'src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel_secure.cc',
     'src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.cc',
     'src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.cc',
+    'src/core/ext/filters/client_channel/resolver/fake/fake_resolver.cc',
     'src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c',
     'src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c',
     'src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c',
-    'src/core/ext/filters/client_channel/resolver/fake/fake_resolver.cc',
+    'src/core/ext/filters/client_channel/lb_policy/xds/xds.cc',
+    'src/core/ext/filters/client_channel/lb_policy/xds/xds_channel_secure.cc',
+    'src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.cc',
+    'src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.cc',
     'src/core/ext/filters/client_channel/lb_policy/pick_first/pick_first.cc',
     'src/core/ext/filters/client_channel/lb_policy/round_robin/round_robin.cc',
     'src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc',
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index d5986fde90..204ef493ba 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -910,6 +910,14 @@ src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balan
 src/core/ext/filters/client_channel/lb_policy/pick_first/pick_first.cc \
 src/core/ext/filters/client_channel/lb_policy/round_robin/round_robin.cc \
 src/core/ext/filters/client_channel/lb_policy/subchannel_list.h \
+src/core/ext/filters/client_channel/lb_policy/xds/xds.cc \
+src/core/ext/filters/client_channel/lb_policy/xds/xds.h \
+src/core/ext/filters/client_channel/lb_policy/xds/xds_channel.h \
+src/core/ext/filters/client_channel/lb_policy/xds/xds_channel_secure.cc \
+src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.cc \
+src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.h \
+src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.cc \
+src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.h \
 src/core/ext/filters/client_channel/lb_policy_factory.cc \
 src/core/ext/filters/client_channel/lb_policy_factory.h \
 src/core/ext/filters/client_channel/lb_policy_registry.cc \
diff --git a/tools/run_tests/generated/sources_and_headers.json b/tools/run_tests/generated/sources_and_headers.json
index 6e1eb6e3c0..20b6d36671 100644
--- a/tools/run_tests/generated/sources_and_headers.json
+++ b/tools/run_tests/generated/sources_and_headers.json
@@ -7047,6 +7047,7 @@
       "grpc_lb_policy_grpclb_secure", 
       "grpc_lb_policy_pick_first", 
       "grpc_lb_policy_round_robin", 
+      "grpc_lb_policy_xds_secure", 
       "grpc_max_age_filter", 
       "grpc_message_size_filter", 
       "grpc_resolver_dns_ares", 
@@ -7140,6 +7141,7 @@
       "grpc_lb_policy_grpclb", 
       "grpc_lb_policy_pick_first", 
       "grpc_lb_policy_round_robin", 
+      "grpc_lb_policy_xds", 
       "grpc_max_age_filter", 
       "grpc_message_size_filter", 
       "grpc_resolver_dns_ares", 
@@ -10137,6 +10139,7 @@
       "grpc_base", 
       "grpc_client_channel", 
       "grpc_resolver_fake", 
+      "grpclb_proto", 
       "nanopb"
     ], 
     "headers": [
@@ -10144,10 +10147,7 @@
       "src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.h", 
       "src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel.h", 
       "src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.h", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.h", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.h", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.h", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h"
+      "src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.h"
     ], 
     "is_filegroup": true, 
     "language": "c", 
@@ -10162,13 +10162,7 @@
       "src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.cc", 
       "src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.h", 
       "src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.cc", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.h", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.h", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.h", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h"
+      "src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.h"
     ], 
     "third_party": false, 
     "type": "filegroup"
@@ -10180,6 +10174,7 @@
       "grpc_client_channel", 
       "grpc_resolver_fake", 
       "grpc_secure", 
+      "grpclb_proto", 
       "nanopb"
     ], 
     "headers": [
@@ -10187,10 +10182,7 @@
       "src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.h", 
       "src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel.h", 
       "src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.h", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.h", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.h", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.h", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h"
+      "src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.h"
     ], 
     "is_filegroup": true, 
     "language": "c", 
@@ -10205,13 +10197,7 @@
       "src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.cc", 
       "src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.h", 
       "src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.cc", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.h", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.h", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.h", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h"
+      "src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.h"
     ], 
     "third_party": false, 
     "type": "filegroup"
@@ -10256,38 +10242,27 @@
       "grpc_base", 
       "grpc_client_channel", 
       "grpc_resolver_fake", 
+      "grpclb_proto", 
       "nanopb"
     ], 
     "headers": [
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.h", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.h", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h", 
-      "src/core/ext/filters/client_channel/lb_policy/xds/client_load_reporting_filter.h", 
-      "src/core/ext/filters/client_channel/lb_policy/xds/load_balancer_api.h", 
       "src/core/ext/filters/client_channel/lb_policy/xds/xds.h", 
       "src/core/ext/filters/client_channel/lb_policy/xds/xds_channel.h", 
-      "src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.h"
+      "src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.h", 
+      "src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.h"
     ], 
     "is_filegroup": true, 
     "language": "c", 
     "name": "grpc_lb_policy_xds", 
     "src": [
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.h", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.h", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h", 
-      "src/core/ext/filters/client_channel/lb_policy/xds/client_load_reporting_filter.cc", 
-      "src/core/ext/filters/client_channel/lb_policy/xds/client_load_reporting_filter.h", 
-      "src/core/ext/filters/client_channel/lb_policy/xds/load_balancer_api.cc", 
-      "src/core/ext/filters/client_channel/lb_policy/xds/load_balancer_api.h", 
       "src/core/ext/filters/client_channel/lb_policy/xds/xds.cc", 
       "src/core/ext/filters/client_channel/lb_policy/xds/xds.h", 
       "src/core/ext/filters/client_channel/lb_policy/xds/xds_channel.cc", 
       "src/core/ext/filters/client_channel/lb_policy/xds/xds_channel.h", 
       "src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.cc", 
-      "src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.h"
+      "src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.h", 
+      "src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.cc", 
+      "src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.h"
     ], 
     "third_party": false, 
     "type": "filegroup"
@@ -10299,38 +10274,27 @@
       "grpc_client_channel", 
       "grpc_resolver_fake", 
       "grpc_secure", 
+      "grpclb_proto", 
       "nanopb"
     ], 
     "headers": [
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.h", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.h", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h", 
-      "src/core/ext/filters/client_channel/lb_policy/xds/client_load_reporting_filter.h", 
-      "src/core/ext/filters/client_channel/lb_policy/xds/load_balancer_api.h", 
       "src/core/ext/filters/client_channel/lb_policy/xds/xds.h", 
       "src/core/ext/filters/client_channel/lb_policy/xds/xds_channel.h", 
-      "src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.h"
+      "src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.h", 
+      "src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.h"
     ], 
     "is_filegroup": true, 
     "language": "c", 
     "name": "grpc_lb_policy_xds_secure", 
     "src": [
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.h", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.h", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c", 
-      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h", 
-      "src/core/ext/filters/client_channel/lb_policy/xds/client_load_reporting_filter.cc", 
-      "src/core/ext/filters/client_channel/lb_policy/xds/client_load_reporting_filter.h", 
-      "src/core/ext/filters/client_channel/lb_policy/xds/load_balancer_api.cc", 
-      "src/core/ext/filters/client_channel/lb_policy/xds/load_balancer_api.h", 
       "src/core/ext/filters/client_channel/lb_policy/xds/xds.cc", 
       "src/core/ext/filters/client_channel/lb_policy/xds/xds.h", 
       "src/core/ext/filters/client_channel/lb_policy/xds/xds_channel.h", 
       "src/core/ext/filters/client_channel/lb_policy/xds/xds_channel_secure.cc", 
       "src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.cc", 
-      "src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.h"
+      "src/core/ext/filters/client_channel/lb_policy/xds/xds_client_stats.h", 
+      "src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.cc", 
+      "src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.h"
     ], 
     "third_party": false, 
     "type": "filegroup"
@@ -10480,6 +10444,7 @@
     "headers": [
       "include/grpc/grpc_security.h", 
       "src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.h", 
+      "src/core/ext/filters/client_channel/lb_policy/xds/xds.h", 
       "src/core/lib/security/context/security_context.h", 
       "src/core/lib/security/credentials/alts/alts_credentials.h", 
       "src/core/lib/security/credentials/composite/composite_credentials.h", 
@@ -10512,6 +10477,7 @@
     "src": [
       "include/grpc/grpc_security.h", 
       "src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.h", 
+      "src/core/ext/filters/client_channel/lb_policy/xds/xds.h", 
       "src/core/lib/http/httpcli_security_connector.cc", 
       "src/core/lib/security/context/security_context.cc", 
       "src/core/lib/security/context/security_context.h", 
@@ -11008,6 +10974,29 @@
   }, 
   {
     "deps": [
+      "nanopb"
+    ], 
+    "headers": [
+      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.h", 
+      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.h", 
+      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h"
+    ], 
+    "is_filegroup": true, 
+    "language": "c", 
+    "name": "grpclb_proto", 
+    "src": [
+      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c", 
+      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.h", 
+      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c", 
+      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.h", 
+      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c", 
+      "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h"
+    ], 
+    "third_party": false, 
+    "type": "filegroup"
+  }, 
+  {
+    "deps": [
       "nanopb_headers"
     ], 
     "headers": [],