https://www.dotnetzone.gr:443/cs/blogs/papadi/archive/2009/07/31/wcf-faq.aspxFellow MVP Shivprasad Koirala put together an excellent series of three articles with Frequently Asked Questions regarding the Windows Communication Foundation. Take a look... WCF FAQ Part 1 : This is a 20 question FAQ for beginners which explains basicelCommunityServer 2.1 SP3 (Build: 20423.1)