diff --git a/protocols/grpc/api/src/main/java/org/onosproject/grpc/api/GrpcClient.java b/protocols/grpc/api/src/main/java/org/onosproject/grpc/api/GrpcClient.java
index d040a23..d529529 100644
--- a/protocols/grpc/api/src/main/java/org/onosproject/grpc/api/GrpcClient.java
+++ b/protocols/grpc/api/src/main/java/org/onosproject/grpc/api/GrpcClient.java
@@ -17,11 +17,11 @@
 package org.onosproject.grpc.api;
 
 import com.google.common.annotations.Beta;
+
 import java.util.concurrent.CompletableFuture;
 
 /**
  * Abstraction of a gRPC client.
- *
  */
 @Beta
 public interface GrpcClient {
@@ -33,4 +33,30 @@
      * procedure
      */
     CompletableFuture<Void> shutdown();
+
+    /**
+     * This method provides a coarse modelling of gRPC channel {@link
+     * io.grpc.ConnectivityState}. The implementation does not make any attempt
+     * at probing the server by sending messages over the network, as such it
+     * does not block execution. It returns true if this client is expected to
+     * communicate with the server successfully. In other words, if any RPC
+     * would be executed immediately after this method is called and returns
+     * true, then it is expected, but NOT guaranteed, for that RPC message to
+     * reach the server and be processed. If false, it means the channel is in a
+     * failure state and communication with the server is unlikely to happen
+     * soon.
+     *
+     * @return true if server is deemed reachable, false otherwise
+     */
+    boolean isServerReachable();
+
+    /**
+     * Similar to {@link #isServerReachable()}, but might involve sending
+     * packets over the network. This checks whether the specific gRPC
+     * service(s) required by this client is available or not on the server.
+     *
+     * @return completable future eventually true if the gRPC service(s) on the
+     * server was available during the probe; false otherwise
+     */
+    CompletableFuture<Boolean> probeService();
 }