The aim of
this architecture is to provide QoS management support for both Web services??™ providers
and consumers. The proposed architecture is based on the commonly-used notion of QoS
brokerage service. The QoS broker mediates between service requestors and service providers.
Its responsibilities include performance monitoring of Web services, supporting users in
Web services selection based on their QoS requirements, and the negotiation of QoS issues
between requestors and providers. The QoSMA architecture provides the following benefits:
First, it allows the automation of QoS management and QoS monitoring for both provid-
A Scalable QoS-Aware Web Serv ces Management Arch tecture (QoSMA)
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ers and clients. Second, the scalability of the architecture allows for better handling of the
increasing demand while maintaining the pre-agreed-on QoS between service requestors
and providers.
Introduction.
Web services are increasingly used as a new technology for providing and/or consuming
services artifacts via the Internet. Web services approach presents fundamental changes in
the way systems are required, designed, developed, deployed and managed.
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