Breaking SOA with WCF

Service Oriented Architecture contains 4 tenets: Boundaries are Explicit Services Are Autonomous Services share schema and contract, not class Service compatibility Is based upon policy When someone asks me if he should follow SOA tenets in his design I usually say: "It depends...." And next thing I find myself in, is a long discussion about the pros and cons for going with SOA. In the following post I will provide an argument why I think that SOA is not always the best way to go with.