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Erschienen in:
2008 | OriginalPaper | Buchkapitel
Phase-Type Approximations for Message Transmission Times in Web Services Reliable Messaging
verfasst von : Philipp Reinecke, Katinka Wolter
Erschienen in: Performance Evaluation: Metrics, Models and Benchmarks
Verlag: Springer Berlin Heidelberg
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Web-Services based Service-Oriented Architectures (SOAs) become ever more important. The Web Services Reliable Messaging standard (WSRM) provides a reliable messaging layer to these systems. In this work we present parameters for acyclic continuous phase-type (ACPH) approximations for message transmission times in a WSRM implementation confronted with several different levels of IP packet loss. These parameters illustrate how large data sets may be represented by just a few parameters. The ACPH approximations presented here can be used for the stochastic modelling of SOA systems. We demonstrate application of the models using an M/PH/1 queue.