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EDOC '05 Proceedings of the Ninth IEEE International EDOC Enterprise Computing Conference
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CIA '08 Proceedings of the 12th international workshop on Cooperative Information Agents XII
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Service-Oriented Computing --- ICSOC 2008 Workshops
Service level agreements: web services and security
ICWE'07 Proceedings of the 7th international conference on Web engineering
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Software—Practice & Experience
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The goal of monitoring contractual Service Level Agreements (SLAs) is to measure the performance of a service, to evaluate whether its provider complies with the level of Quality of the Service (QoS) that the consumer expects. The aim of this paper is to bring to the system designerýs attention the fundamental issues that monitoring of contractual SLAs involves: SLA specification, separation of the computation and communication infrastructure of the provider, service points of presence, metric collection approaches, measurement service and evaluation and violation detection service. The paper develops an architecture and give reasons why currently it is practicable to offer guaranteed QoS only to consumers sharing Internet Service Providers (ISPs) directly with the service provider.