A Policy-Based Approach for QoS Specification and Enforcement in Distributed Service-Oriented Architecture

Authors:
Changzhou Wang;Guijun Wang;Alice Chen;Haiqin Wang
Affiliations:
Mathematics and Computing Technology Boeing Phantom Works Seattle, WA, USA;Mathematics and Computing Technology Boeing Phantom Works Seattle, WA, USA;Mathematics and Computing Technology Boeing Phantom Works Seattle, WA, USA;Mathematics and Computing Technology Boeing Phantom Works Seattle, WA, USA
Venue:
SCC '05 Proceedings of the 2005 IEEE International Conference on Services Computing - Volume 01
Year:
2005

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Abstract

A significant challenge of successful application of the Service- Oriented Architecture (SOA) in large-scale distributed systems is the Quality of Service (QoS) management, which provides various QoS guarantee levels for concurrent clients through effective resource allocations and adaptations. In this paper, we propose a policy-based approach for specifying QoS management strategies and enforcing QoS guarantees. This approach enables easy adaptation of new business rules and adaptation to system resource changes. This approach is also effective for supporting QoS management, as demonstrated in our experiments in a Publish/ Subscribe system.