#161 - Publish Subscribe Channel realisation.Heavily based on iluwatars Message Channel implementation (#143).

publish-subscribe/index.md

@@ -0,0 +1,17 @@
+---
+layout: pattern
+title: Publish Subscribe
+folder: publish-subscribe
+permalink: /patterns/publish-subscribe/
+categories: Integration
+tags: Java
+---
+
+**Intent:** When applications communicate using a messaging system they do it by using logical addresses
+of the system, so called Publish Subscribe Channel. The publisher broadcasts a message to all registered Subscriber.
+
+![alt text](./etc/publish-subscribe.png "Publish Subscribe Channel")
+
+**Applicability:** Use the Publish Subscribe Channel pattern when
+
+* two or more applications need to communicate using a messaging system for broadcasts.