Wf-XML

Article summary

Wf-XML is a BPM standard developed by the Workflow Management Coalition. Wf-XML is designed and implemented as an extension to the OASIS Asynchronous Service Access Protocol (ASAP). ASAP provides a standardized way that a program can start and monitor a program that might take a long time to complete. It provides the capability to monitor the running service, and be informed of changes in its status. Wf-XML extends this by providing additional standard web service operations that allow sending and retrieving the “program” or definition of the service which is provided. A process engine has this behavior of providing a service that lasts a long time, and also being programmable by being able to install process definitions. Wf-XML offers a standard way for a BPM engine to invoke a process in another BPM engine, and to wait for it to complete. Process editing tools and process execution tools may be produced by different vendors. A standard way to retrieve process definitions and send definitions will allow a user to match the best process definition tool with the best process execution engine for their needs. Wf-XML completes the job by giving a standard way to pass the process definition between the design tool and the execution engine.…

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