The idea of duplexing is very old, when I first read it, it reminded me about my Mom. Well actually not reminded me, but she never allow me to even forget her, can you imagine 50 missed calls in a day!!! . Okay, imagine you being client and your mom being server. It's usually client that starts communicating with server, requests for data, for authentication, for money, in this case. The server can either respond positively or negatively to the client's request. That is if you request for money, you either get it or don't, later one usually happens in my case. Now what if the server initiates the communication? Yes! It's not always that the server listen the request of the client, but there are situations when server also broadcasts the messages to all it's client. This process is called Duplex polling. In silverlight however, there are many ways to perform this server to client broadcasting, one way is through WCF Services which we are going to use now. So grab a cup of coffee or two, coz journey is little bit lengthy and a bit complicated. 


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C#,.NET,Architect,Intermediate,VS2010,.Net,Articles,Computer Tutorials,Silverlight, Silverlight Duplexing