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Round-Trip Versioning


Cover of Professional WCF 4: Windows Communication Foundation with .NET 4


Round-tripping occurs when data passes from a new ver­sion to an old ver­sion and back to the new ver­sion of a data con­tract. Round-tripping guar­an­tees that no data is lost. Enabling round-tripping makes the type forward-compatible with any future changes sup­ported by the data con­tract ver­sion­ing model.