A queuing model for service selection of multi-classes QoS-aware Web services

Research output: Chapter in Book/Report/Conference proceedingConference contribution

13 Citations (Scopus)

Abstract

The initial specifications of Web Services cope with the issues of service publishing and service discovery but not with the issue of service selection. Service discovery, handled by UDDI and WSDL, alone is not sufficient to find the most appropriate server that can deliver customers' required quality of service (QoS), In this paper, we consider a broker-based approach to provide QoS support in Web Services and deal with the selection issue. The broker may implement various selection policies that can range from static policies to dynamic ones, which take into account the current state of servers. Besides, Servers may deliver different levels of service to their customers. We model this QoS broker-based scheme by a multi-class queuing model and we study its performance with a probabilistic splitting policy for server selection.

Original languageEnglish
Title of host publicationProceedings - Third European Conference on Web Services, ECOWS2005
Pages204-212
Number of pages9
DOIs
Publication statusPublished - 2005
Event3rd European Conference on Web Services, ECOWS2005 - Vaxjo, Sweden
Duration: Nov 14 2005Nov 16 2005

Publication series

NameProceedings - Third European Conference on Web Services, ECOWS2005
Volume2005

Other

Other3rd European Conference on Web Services, ECOWS2005
Country/TerritorySweden
CityVaxjo
Period11/14/0511/16/05

ASJC Scopus subject areas

  • General Engineering

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