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A 3-level Atomicity Model for Decentralized Workflow Management Systems

Israel Z. Ben-Shaul; George T. Heineman; Columbia University. Computer Science

Title:
A 3-level Atomicity Model for Decentralized Workflow Management Systems
Author(s):
Ben-Shaul, Israel Z.; Heineman, George T.; Columbia University. Computer Science
Date:
Type:
Technical reports
Department:
Computer Science
Permanent URL:
Series:
Columbia University Computer Science Technical Reports
Part Number:
CUCS-001-96
Abstract:
Decentralized workflow management systems (WFMSs) provide an architecture for multiple, heterogeneous WFMSs to interoperate. Atomicity is a standard correctness model for guaranteeing that a set of operations occurs as an atomic unit, or none of them occur at all. Within a single WFMS, atomicity is the concern of its transaction manager. In a decentralized environment, however, the autonomous transaction managers must find ways to cooperate if an atomic unit is split between multiple WFMSs. This paper describes a flexible atomicity model that enables workflow administrators to specify the scope of multi-site atomicity based upon the desired semantics of multi-site tasks in the decentralized WFMS.
Subject(s):
Computer science
Item views:
234
Metadata:
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