What is WCF webHTTPbinding from TCP point of view? So - how hard it is from not needed data flow it is? How hard it is in compare to other WCF bindings?
The binding in WCF configuration describes how the messages will be transported from point to point.
This article describes the basics of WCF, which are basically:
A - the address where the WCF service lives B - the binding, or method of transport to communicate with the service C - contract, or the interface and data types that you will use to communicate with the service