戦いは終わったってさ。

The War is Over (WS-* vs. POX/HTTP)

The WS-* stack is about deep enterprise integration. It tackles problems that enterprise architects care about.(中略)For each additional layer of the WS-* stack, the reach gets smaller. So the stack is best suited for scenarios where you have a high degree of control over the integration endpoints,

Ah, OK. Great. Thanks for letting us know.