Vista - WCF Event Publishing

The Publisher Subscriber model can be easily and effectively implemented in
..NET using events and delegates. But implementing the same over the network
seems to be a bit more challenging.The code sample provided here demonstrates
a simple chat room and it shows you how to go about setting up a
publisher-subscriber architecture (using events) using WCF. Here's the link
to my resource page in Microsoft code gallery.

http://code.msdn.microsoft.com/nbalagopal2

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Thanks and regards,
http://code.msdn.microsoft.com/nbalagopal