BPEL4Job: A Fault-handling Design for Job Flow Management

Workflow technology is an emerging paradigm for systematic modeling and orchestration of job flow for enterprise and scientific applications. This paper introduces BPEL4Job, a BPEL-based design for fault handling of job flow in a distributed computing environment. The features of the proposed design include: a two-stage approach for job flow modeling that separates base flow structure from fault-handling policy, a generic job proxy that isolates the interaction complexity between the flow engine and the job scheduler, and a method for migrating flow instances between different flow engines for fault handling in a distributed system. An implementation of the design based on a set of industrial products from IBM is presented and validated using a Montage application.

By: Wei Tan; Liana Fong; Norman Bobroff

Published in: RC24266 in 2007


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