An Introduction to WCF

Here is some links which will intruduces basic about WCF.
(1) Introduction to WCF - WCF tutorial | WCF Tutorial - Windows Communication Foundation | WCF 
Example | WCF Sample code in asp.net 3.5 | Basic WCF Tutorial for Beginners

(2) A Windows Communication Foundation (WCF) Overview

(3) Asp.net WebService or Creating and Consuming WebService in asp.net or Create and call webservice in asp.net or how to create webservice and how to use webservice in asp.net

(4) how to create Windows Service in c# or windows service sample in c#

(5) how to install windows service using command prompt or install/uninstall .NET windows service

(6) Publish or Deploy website in our local machine using asp.net 

(7) Windows Communication Foundation: Application Deployment Scenarios     
Working with Multiple Endpoints with WCF Application
(1) Multiple Endpoints

(2) Configuring Multiple End Points for WCF Service

(3) Windows Communication Foundation QuickStart - Multiple Binding VS2010