... attribute,you can make them appear the same in the XML representation. As long asboth the client and service work with an equivalent XML representation,it’s okay for WCF to deserialize the XML ... change,and so do software contracts. In the face of software changes, a solid ver-sioning strategy is essential. Care must be taken up front to plan forinevitable changes and to preserve backward compatibility ... class.This way, the service is passing valid V2 data and the client is consuminga valid V1 representation of that data.Listing 2.25 Calling a V2 Service with a V1 ContractData...