Client/Server Qualities: A Basis for Reliable Distributed Workflow Management Systems

Authors:
Hans Schuster;Stefan Jablonski;Christoph BuBler
Affiliations:
-;-;-
Venue:
ICDCS '97 Proceedings of the 17th International Conference on Distributed Computing Systems (ICDCS '97)
Year:
1997

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Abstract

In distributed workflow management systems (WfMSs) many workflow servers and application programs referenced within workflows have to work together cooperatively. In this paper we introduce a middleware service for WfMSs which offers qualities for client/server communication. These qualities characterize the behavior of clients and servers in case of failure and recovery. Our middleware service builds an abstraction from the concrete implementation of a client/server interaction and hides characteristics of underlying system services, e.g. RPC mechanisms and TP monitors. For this reason, our middleware service supports the implementation of reliable distributed WfMSs.