#143 Added real world example

message-channel/index.md

@@ -15,3 +15,7 @@ of the system, so called Message Channels.
 **Applicability:** Use the Message Channel pattern when
 
 * two or more applications need to communicate using a messaging system
+
+**Real world examples:**
+
+* [akka-camel](http://doc.akka.io/docs/akka/snapshot/scala/camel.html)