A Theory of Compatible Versions

January 19, 2007


Creating a versioning scheme for web services is a challenge that I have faced on a few occasions before. My experience is that creating compatible versions of a web service takes a lot of consideration, and I have not really found any good approach. The article ‘A Theory of Compatible Versions‘ gives a very good foundation for making compatible versions of an XML document, which can be used as a foundation for making compatible web services.

I think compatibility underlines the fact that a web services interface needs to be carefully designed, for instance using the contract first approach. You cannot simply have your WSDL file generated from existing code and publish it.

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Written by Vidar Kongsli who is a software professional living in Oslo, Norway. Works as a consultant, system architect and developer at Bredvid. You should follow him on Twitter