Improved message decoding performance
diff --git a/utils/netty/src/main/java/org/onlab/netty/NettyMessagingService.java b/utils/netty/src/main/java/org/onlab/netty/NettyMessagingService.java
index 4a755cc..8a609bd 100644
--- a/utils/netty/src/main/java/org/onlab/netty/NettyMessagingService.java
+++ b/utils/netty/src/main/java/org/onlab/netty/NettyMessagingService.java
@@ -134,6 +134,10 @@
         handlers.remove(type);
     }
 
+    public void setSerializer(Serializer serializer) {
+        this.serializer = serializer;
+    }
+
     private MessageHandler getMessageHandler(String type) {
         return handlers.get(type);
     }