A service query dissemination algorithm for accommodating sophisticated QoS requirements in a service discovery system

Authors:
Liang Zhang;Beihong Jin
Affiliations:
Institute of Software, Chinese Academy of Sciences, Beijing, PRC;Institute of Software, Chinese Academy of Sciences, Beijing, PRC
Venue:
EUC'07 Proceedings of the 2007 international conference on Embedded and ubiquitous computing
Year:
2007

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Abstract

For many service discovery protocols, user service queries need to be disseminated to some service directories within the system for discovering matched services. The scope of dissemination identifies the scope of service discovery. How to determine the service discovery scope needs to be discussed. In this paper, we present a service query dissemination algorithm in our developing service discovery system, Service CatalogNet. In this system, users can pose different QoS requirements upon their service queries in order to manually control the scope of service discovery. The service query dissemination algorithm will dynamically transform the QoS requirements into a set of directories as well as the routing paths to them. The performance analysis shows a sound result of our algorithm.