ADO.NET Data Services – Version Headers
Peter Qian, a developer on the data services team, has posted a two part series on the versioning headers used by ADO.NET Data Services to ensure a client or server never misinterprets a payload or URI. You can check out his posts here:
Part 1 - Versioning Protocol of Astoria
Part 2 - Versioning Protocol of Astoria II
-Mike Flasko
ADO.NET Data Services, Program Manager