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Most developers and architects I meet tend to define service == protocol endpoint which is wrong. I thought I might open up some eyes by describing the myriad of service invocation options we might have in a service oriented architecture


Remote invocation options

  • WS-* (The one and only...)
  • REST
  • XML over HTTP
  • JMS/Messaging

In process service invocation options

  • stateless service instance (or state to client service instance strategy)
  • statefull service instance with collaboration backbone (dist hashmaps, eventing, tuple-spaces...)
  • statefull service instance with global state persistence (central DB)
  • statefull vertical segmented service instance

Example of remote service, with endpoint (WS or REST) deployed with the service in a container (typical JEE scenario)

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