diff --git a/packages/ConnectivityT/framework-t/Android.bp b/packages/ConnectivityT/framework-t/Android.bp
index 9c07f39..3e82b28 100644
--- a/packages/ConnectivityT/framework-t/Android.bp
+++ b/packages/ConnectivityT/framework-t/Android.bp
@@ -103,12 +103,24 @@
 // Connectivity-T common libraries.
 
 filegroup {
+    name: "framework-connectivity-tiramisu-internal-sources",
+    srcs: [
+        "src/android/net/ConnectivityFrameworkInitializerTiramisu.java",
+    ],
+    path: "src",
+    visibility: [
+        "//visibility:private",
+    ],
+}
+
+filegroup {
     name: "framework-connectivity-tiramisu-sources",
     srcs: [
         ":framework-connectivity-netstats-sources",
         ":framework-connectivity-nsd-sources",
+        ":framework-connectivity-tiramisu-internal-sources",
     ],
     visibility: [
         "//frameworks/base",
     ],
-}
\ No newline at end of file
+}
diff --git a/packages/ConnectivityT/framework-t/src/android/net/ConnectivityFrameworkInitializerTiramisu.java b/packages/ConnectivityT/framework-t/src/android/net/ConnectivityFrameworkInitializerTiramisu.java
new file mode 100644
index 0000000..630f902e
--- /dev/null
+++ b/packages/ConnectivityT/framework-t/src/android/net/ConnectivityFrameworkInitializerTiramisu.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * 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.
+ */
+
+package android.net;
+
+import android.annotation.SystemApi;
+import android.app.SystemServiceRegistry;
+import android.content.Context;
+import android.net.nsd.INsdManager;
+import android.net.nsd.NsdManager;
+
+/**
+ * Class for performing registration for Connectivity services which are exposed via updatable APIs
+ * since Android T.
+ *
+ * @hide
+ */
+@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+public final class ConnectivityFrameworkInitializerTiramisu {
+    private ConnectivityFrameworkInitializerTiramisu() {}
+
+    /**
+     * Called by {@link SystemServiceRegistry}'s static initializer and registers nsd services to
+     * {@link Context}, so that {@link Context#getSystemService} can return them.
+     *
+     * @throws IllegalStateException if this is called anywhere besides
+     * {@link SystemServiceRegistry}.
+     */
+    public static void registerServiceWrappers() {
+        SystemServiceRegistry.registerContextAwareService(
+                Context.NSD_SERVICE,
+                NsdManager.class,
+                (context, serviceBinder) -> {
+                    INsdManager service = INsdManager.Stub.asInterface(serviceBinder);
+                    return new NsdManager(context, service);
+                }
+        );
+    }
+}