diff --git a/framework/src/android/net/ConnectivityManager.java b/framework/src/android/net/ConnectivityManager.java
index 8c66db9..aec6b0a 100644
--- a/framework/src/android/net/ConnectivityManager.java
+++ b/framework/src/android/net/ConnectivityManager.java
@@ -3205,10 +3205,6 @@
         }
     }
 
-    // TODO : remove this method. It is a stopgap measure to help sheperding a number
-    // of dependent changes that would conflict throughout the automerger graph. Having this
-    // temporarily helps with the process of going through with all these dependent changes across
-    // the entire tree.
     /**
      * @hide
      * Register a NetworkAgent with ConnectivityService.
@@ -3218,20 +3214,8 @@
             NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK,
             android.Manifest.permission.NETWORK_FACTORY})
     public Network registerNetworkAgent(INetworkAgent na, NetworkInfo ni, LinkProperties lp,
-            NetworkCapabilities nc, int score, NetworkAgentConfig config) {
-        return registerNetworkAgent(na, ni, lp, nc, score, config, NetworkProvider.ID_NONE);
-    }
-
-    /**
-     * @hide
-     * Register a NetworkAgent with ConnectivityService.
-     * @return Network corresponding to NetworkAgent.
-     */
-    @RequiresPermission(anyOf = {
-            NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK,
-            android.Manifest.permission.NETWORK_FACTORY})
-    public Network registerNetworkAgent(INetworkAgent na, NetworkInfo ni, LinkProperties lp,
-            NetworkCapabilities nc, int score, NetworkAgentConfig config, int providerId) {
+            NetworkCapabilities nc, @NonNull NetworkScore score, NetworkAgentConfig config,
+            int providerId) {
         try {
             return mService.registerNetworkAgent(na, ni, lp, nc, score, config, providerId);
         } catch (RemoteException e) {
diff --git a/framework/src/android/net/IConnectivityManager.aidl b/framework/src/android/net/IConnectivityManager.aidl
index f9393e3..1bbf1a9 100644
--- a/framework/src/android/net/IConnectivityManager.aidl
+++ b/framework/src/android/net/IConnectivityManager.aidl
@@ -30,6 +30,7 @@
 import android.net.NetworkCapabilities;
 import android.net.NetworkInfo;
 import android.net.NetworkRequest;
+import android.net.NetworkScore;
 import android.net.NetworkState;
 import android.net.NetworkStateSnapshot;
 import android.net.OemNetworkPreferences;
@@ -138,7 +139,7 @@
     void declareNetworkRequestUnfulfillable(in NetworkRequest request);
 
     Network registerNetworkAgent(in INetworkAgent na, in NetworkInfo ni, in LinkProperties lp,
-            in NetworkCapabilities nc, int score, in NetworkAgentConfig config,
+            in NetworkCapabilities nc, in NetworkScore score, in NetworkAgentConfig config,
             in int factorySerialNumber);
 
     NetworkRequest requestNetwork(in NetworkCapabilities networkCapabilities, int reqType,
diff --git a/framework/src/android/net/NetworkAgent.java b/framework/src/android/net/NetworkAgent.java
index 27aa15d..b3ab0ee 100644
--- a/framework/src/android/net/NetworkAgent.java
+++ b/framework/src/android/net/NetworkAgent.java
@@ -371,6 +371,14 @@
         return ni;
     }
 
+    // Temporary backward compatibility constructor
+    public NetworkAgent(@NonNull Context context, @NonNull Looper looper, @NonNull String logTag,
+            @NonNull NetworkCapabilities nc, @NonNull LinkProperties lp, int score,
+            @NonNull NetworkAgentConfig config, @Nullable NetworkProvider provider) {
+        this(context, looper, logTag, nc, lp,
+                new NetworkScore.Builder().setLegacyInt(score).build(), config, provider);
+    }
+
     /**
      * Create a new network agent.
      * @param context a {@link Context} to get system services from.
@@ -382,10 +390,12 @@
      * @param score the initial score of this network. Update with sendNetworkScore.
      * @param config an immutable {@link NetworkAgentConfig} for this agent.
      * @param provider the {@link NetworkProvider} managing this agent.
+     * @hide TODO : unhide when impl is complete
      */
     public NetworkAgent(@NonNull Context context, @NonNull Looper looper, @NonNull String logTag,
-            @NonNull NetworkCapabilities nc, @NonNull LinkProperties lp, int score,
-            @NonNull NetworkAgentConfig config, @Nullable NetworkProvider provider) {
+            @NonNull NetworkCapabilities nc, @NonNull LinkProperties lp,
+            @NonNull NetworkScore score, @NonNull NetworkAgentConfig config,
+            @Nullable NetworkProvider provider) {
         this(looper, context, logTag, nc, lp, score, config,
                 provider == null ? NetworkProvider.ID_NONE : provider.getProviderId(),
                 getLegacyNetworkInfo(config));
@@ -395,12 +405,12 @@
         public final Context context;
         public final NetworkCapabilities capabilities;
         public final LinkProperties properties;
-        public final int score;
+        public final NetworkScore score;
         public final NetworkAgentConfig config;
         public final NetworkInfo info;
         InitialConfiguration(@NonNull Context context, @NonNull NetworkCapabilities capabilities,
-                @NonNull LinkProperties properties, int score, @NonNull NetworkAgentConfig config,
-                @NonNull NetworkInfo info) {
+                @NonNull LinkProperties properties, @NonNull NetworkScore score,
+                @NonNull NetworkAgentConfig config, @NonNull NetworkInfo info) {
             this.context = context;
             this.capabilities = capabilities;
             this.properties = properties;
@@ -412,8 +422,9 @@
     private volatile InitialConfiguration mInitialConfiguration;
 
     private NetworkAgent(@NonNull Looper looper, @NonNull Context context, @NonNull String logTag,
-            @NonNull NetworkCapabilities nc, @NonNull LinkProperties lp, int score,
-            @NonNull NetworkAgentConfig config, int providerId, @NonNull NetworkInfo ni) {
+            @NonNull NetworkCapabilities nc, @NonNull LinkProperties lp,
+            @NonNull NetworkScore score, @NonNull NetworkAgentConfig config, int providerId,
+            @NonNull NetworkInfo ni) {
         mHandler = new NetworkAgentHandler(looper);
         LOG_TAG = logTag;
         mNetworkInfo = new NetworkInfo(ni);
@@ -875,13 +886,22 @@
     /**
      * Must be called by the agent to update the score of this network.
      *
+     * @param score the new score.
+     * @hide TODO : unhide when impl is complete
+     */
+    public final void sendNetworkScore(@NonNull NetworkScore score) {
+        Objects.requireNonNull(score);
+        queueOrSendMessage(reg -> reg.sendScore(score));
+    }
+
+    /**
+     * Must be called by the agent to update the score of this network.
+     *
      * @param score the new score, between 0 and 99.
+     * deprecated use sendNetworkScore(NetworkScore) TODO : remove in S.
      */
     public final void sendNetworkScore(@IntRange(from = 0, to = 99) int score) {
-        if (score < 0) {
-            throw new IllegalArgumentException("Score must be >= 0");
-        }
-        queueOrSendMessage(reg -> reg.sendScore(score));
+        sendNetworkScore(new NetworkScore.Builder().setLegacyInt(score).build());
     }
 
     /**
diff --git a/framework/src/com/android/connectivity/aidl/INetworkAgentRegistry.aidl b/framework/src/com/android/connectivity/aidl/INetworkAgentRegistry.aidl
index f0193db..18d26a7 100644
--- a/framework/src/com/android/connectivity/aidl/INetworkAgentRegistry.aidl
+++ b/framework/src/com/android/connectivity/aidl/INetworkAgentRegistry.aidl
@@ -19,11 +19,12 @@
 import android.net.Network;
 import android.net.NetworkCapabilities;
 import android.net.NetworkInfo;
+import android.net.NetworkScore;
 import android.net.QosSession;
 import android.telephony.data.EpsBearerQosSessionAttributes;
 
 /**
- * Interface for NetworkAgents to send network network properties.
+ * Interface for NetworkAgents to send network properties.
  * @hide
  */
 oneway interface INetworkAgentRegistry {
@@ -31,7 +32,7 @@
     void sendLinkProperties(in LinkProperties lp);
     // TODO: consider replacing this by "markConnected()" and removing
     void sendNetworkInfo(in NetworkInfo info);
-    void sendScore(int score);
+    void sendScore(in NetworkScore score);
     void sendExplicitlySelected(boolean explicitlySelected, boolean acceptPartial);
     void sendSocketKeepaliveEvent(int slot, int reason);
     void sendUnderlyingNetworks(in @nullable List<Network> networks);