diff --git a/core/api/module-lib-current.txt b/core/api/module-lib-current.txt
index 3a35f24..81b4ee8 100644
--- a/core/api/module-lib-current.txt
+++ b/core/api/module-lib-current.txt
@@ -190,6 +190,10 @@
 
 package android.net {
 
+  public final class ConnectivityFrameworkInitializerTiramisu {
+    method public static void registerServiceWrappers();
+  }
+
   public final class EthernetNetworkSpecifier extends android.net.NetworkSpecifier implements android.os.Parcelable {
     ctor public EthernetNetworkSpecifier(@NonNull String);
     method public int describeContents();
diff --git a/core/java/android/app/SystemServiceRegistry.java b/core/java/android/app/SystemServiceRegistry.java
index e2fd359..0171f0a 100644
--- a/core/java/android/app/SystemServiceRegistry.java
+++ b/core/java/android/app/SystemServiceRegistry.java
@@ -125,6 +125,7 @@
 import android.media.tv.tunerresourcemanager.ITunerResourceManager;
 import android.media.tv.tunerresourcemanager.TunerResourceManager;
 import android.net.ConnectivityFrameworkInitializer;
+import android.net.ConnectivityFrameworkInitializerTiramisu;
 import android.net.EthernetManager;
 import android.net.IEthernetManager;
 import android.net.IIpSecService;
@@ -140,8 +141,6 @@
 import android.net.VpnManager;
 import android.net.lowpan.ILowpanManager;
 import android.net.lowpan.LowpanManager;
-import android.net.nsd.INsdManager;
-import android.net.nsd.NsdManager;
 import android.net.vcn.IVcnManagementService;
 import android.net.vcn.VcnManager;
 import android.net.wifi.WifiFrameworkInitializer;
@@ -566,15 +565,6 @@
                     ctx.mMainThread.getHandler());
             }});
 
-        registerService(Context.NSD_SERVICE, NsdManager.class,
-                new CachedServiceFetcher<NsdManager>() {
-            @Override
-            public NsdManager createService(ContextImpl ctx) throws ServiceNotFoundException {
-                IBinder b = ServiceManager.getServiceOrThrow(Context.NSD_SERVICE);
-                INsdManager service = INsdManager.Stub.asInterface(b);
-                return new NsdManager(ctx.getOuterContext(), service);
-            }});
-
         registerService(Context.PEOPLE_SERVICE, PeopleManager.class,
                 new CachedServiceFetcher<PeopleManager>() {
             @Override
@@ -1486,6 +1476,7 @@
             MediaFrameworkInitializer.registerServiceWrappers();
             RoleFrameworkInitializer.registerServiceWrappers();
             SchedulingFrameworkInitializer.registerServiceWrappers();
+            ConnectivityFrameworkInitializerTiramisu.registerServiceWrappers();
         } finally {
             // If any of the above code throws, we're in a pretty bad shape and the process
             // will likely crash, but we'll reset it just in case there's an exception handler...
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);
+                }
+        );
+    }
+}