architect architecture design design pattern design patterns enterprise architecture object oriented service web service web services enterprise application integration information technology management service-oriented architecture oasis soa reference model soa security services software engineering xml computing osi protocols xml studio xml-enabled networking soa sap ag service-orientation oracle fusion middleware patterns soa lifecycle fuse (certified open source soa solution) .net framework microsoft microsoft biztalk server azure services platform soap world wide web interoperability representational state transfer ws-addressing web services interoperability information technology governance soa governance