Three Decision-making Mechanisms to facilitate Negotiation of Service Level Agreements for Web Service Compositions

Authors Jakub Brzostowski, Mohan Baruwal Chhetri, Ryszard Kowalczyk



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Author Details

Jakub Brzostowski
Mohan Baruwal Chhetri
Ryszard Kowalczyk

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Jakub Brzostowski, Mohan Baruwal Chhetri, and Ryszard Kowalczyk. Three Decision-making Mechanisms to facilitate Negotiation of Service Level Agreements for Web Service Compositions. In Negotiation and Market Engineering. Dagstuhl Seminar Proceedings, Volume 6461, pp. 1-8, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2007)
https://doi.org/10.4230/DagSemProc.06461.22

Abstract

The negotiation of Service Level Agreements for composite web services is a very complex process. It involves the coordination of the negotiation process so that the end-to-end QoS requirements of the user request are satisfied while ensuring that the atomic QoS requirements are also simultaneously satisfied. This paper summarizes three decision-making mechanisms which support the process of Service Level Agreement negotiation for composite web services. The mechanisms include: the decomposition of the overall user preferences into the preferences of individual negotiation agents representing each atomic services within the composition; the selection of the prospective negotiation partners for the actual interaction from a list of potential service providers and finally the negotiation of Service Level Agreement with the selected provider agents while ensuring that the end-to-end QoS is satisfied.
Keywords
  • Egotiation
  • end-to-end QoS
  • composite web services

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