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I'm starting to work with my model almost exclusively in WCF and wanted to get some practical approaches to versioning these services over time. Can anyone point me in the right direction?
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Versioning is only used when the Expiration Date of a current contract is changed. All other changes are made by updating and saving the current version of the contract. A contract version can have three version statuses: • Draft. • Current.
A data contract is a formal agreement between a service and a client that abstractly describes the data to be exchanged. That is, to communicate, the client and the service do not have to share the same types, only the same data contracts.
There is a good writeup on Craig McMurtry's WebLog. Its from 2006, but most of it is still relevant.
As well as a decision tree to walk through the choices, he shows how to implement those changes using Windows Communication Foundation
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