SoaML

SoaML (Service-oriented architecture Modeling Language/ˈswɑːməl/) is an open source specification project from the Object Management Group (OMG), describing a UML profile and metamodel for the modeling and design of services within a service-oriented architecture.

SoaML has been created to support the following modeling capabilities:

The existing models and meta models (e.g. TOGAF) for describing system architectures turned out to be insufficient to describe SOA in a precise and standardized way. The UML itself seems to be too general for the purpose of describing SOA and needed clarification and standardization of even basic terms like provider, consumer, etc.

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Wikipedia