Specifying and Constructing a Fault-Tolerant Composite Service

Authors:
V. O. Onditi;Glen Dobson;John Hutchinson;James Walkerdine;Pete Sawyer
Affiliations:
-;-;-;-;-
Venue:
ECOWS '08 Proceedings of the 2008 Sixth European Conference on Web Services
Year:
2008

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Information and Software Technology

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Abstract

This paper proposes a means to specify the semantics of fault tolerant web services at an abstract level using semantics adapted from queuing system theory. A framework that supports the implementation of specified fault-tolerance is also described. Based on our work, we show how the redundancy and diversity characteristics of a service-oriented system can be expressed and implemented in a web-service application.