Serialization means how objects are converted to messages . WCF supports 3 types of serialization : 1-DataContractSerializer 2-XmlSerializer 3-NetDataContractSerializer

Basically WCF supports three types of serialization :XMLSerializerNetDataContractSerializerDataContractSerializer

http://www.codeproject.com/Articles/434665/WCF-Serialization-A-Case-Study

http://www.c-sharpcorner.com/UploadFile/db2972/wcf-serialization-part-1-day-6/