面白いPOSTがあったのでご紹介。BPELとXPDLってどう違うんですか?という問いに答えるものです。これが一番わかりやすい説明だと思います。 XPDL and BPEL BPELの性質 BPEL is an "execution language" designed to provide a definition of web services orchestration, specifically the underlying sequence of interactions, the flow of data from pointtopoint. For this reason, it is best suited for straightthrough processing or dataflows visavis application integration. BPELという言