© 2006 Open Grid Forum 18 WfMC Interface 4 Efforts SWAP (1998) - define an Internet-based workflow access protocol to instantiate, control, and monitor workflow process instances SWAP is a binding of the jointFlow object mode Slow adoption, community if favour of XML-based comms Wf-XML - SWAP successor (1999) interoperability standard that combines the elementary concept of SWAP with the abstract commands defined by the WfMC Interface 4 Defines an interoperability contract HTTP is core transport mechanism for Wf-XML messages
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