iluwatar#143 Added pattern description to index.md

iluwatar · iluwatar · commit 6b94390f7606 · 2015-08-22T19:43:21.000+03:00
diff --git a/message-channel/index.md b/message-channel/index.md
@@ -0,0 +1,17 @@
+---
+layout: pattern
+title: Message Channel
+folder: message-channel
+permalink: /patterns/message-channel/
+categories: Integration
+tags: Java
+---
+
+**Intent:** When two applications communicate using a messaging system they do it by using logical addresses
+of the system, so called Message Channels.
+
+![alt text](./etc/message-channel.png "Message Channel")
+
+**Applicability:** Use the Message Channel pattern when
+
+* two or more applications need to communicate using a messaging system
