---
layout: pattern
title: Publish Subscribe
folder: publish-subscribe
permalink: /patterns/publish-subscribe/
categories: Integration
tags: 
 - Java
 - EIP
 - Apache Camel™
---

## Intent
Broadcast messages from sender to all the interested receivers.

![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.
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* two or more applications need to communicate using a messaging system for broadcasts.

##Credits
* [J2EE Design Patterns](http://www.amazon.com/J2EE-Design-Patterns-William-Crawford/dp/0596004273/ref=sr_1_2)
