Microsoft Windows Communication Foundation 4.0 Cookbook for Developing SOA Applications

Building a Publish-Subscribe service with dual binding

Publish-Subscribe is a common design pattern that is widely used in client/server communication applications. In WCF service development, the Publish-Subscribe pattern will also help in those scenarios where the service application will expose data to certain groups of clients that are interested in the service and the data is provided to clients as a push model actively (instead of polling by the client). This recipe will demonstrate how to implement the Publish-Subscribe pattern in a WCF service through dual binding.

Getting ready

The Publish-Subscribe pattern is widely adopted in various application development scenarios and there are many different kinds of descriptions for this pattern. ...