This link explain the WCF Rest architecture and the use of the toolkit
http://msdn.microsoft.com/en-us/library/dd203052.aspx
Right article, in italian, to also understand the wcf config params
http://www.winfxitalia.com/script/155/Gestire-Ottimizzare-Messaggi-Grandi-Dimensioni-WCF.aspx
A right panorama to understand how consume W** services from the client application
http://www.codeproject.com/Articles/38999/Consuming-ASP-net-WebServices-WCF-Services-and-sta.aspx