Difference between WCF Service and Web service
1.Web service hosting can be only in IIS, WCF hosting can support to IIS,Windows activation service,Self hosting,Windows service. 2.[WebService] attribute has to be added to the class in Webservice ,[Service Contract] attribute has to be added to the class in WCF 3.One-way,Request-Response are the different operations supported in the webservice,One-way,Request-response,Duplex are different operations supported in the WCF