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Service-Oriented Architecture (SOA) provides a flexible framework for service composition. In a service market scenario, given a functional description of service, different providers may offer diverse service implementations that match such a functional description, but differ for some QoS attributes. It is increasingly vital to provide a service selection and recommendation mechanisms that best...
Cloud computing is a new trend for computing resource provision. Many public clouds are available for developers to transfer or build web applications on cloud. As a result, the computing resource scheduling and performance managing have been ones of the most important aspects of clouding computing. In this paper, we propose a queueing-based model for performance management on cloud. In this model,...
With the widespread of Web services (WS), more deployed services are being registered into a services registry, consequently giving rise to a series of problems. A conspicuous one is the large amount of functionally equivalent Web services returned by a service registry. A plausible solution is to involve QoS (quality of service) in the services discovery. However, some existing QoS-based discovery...
SOA has become more and more popular, but fault tolerance is not fully supported in most existing SOA frameworks and solutions provided by various major software companies. SOA implementations with large number of users, services, or traffic, maintaining the necessary performance levels of applications integrated using an ESB presents a substantial challenge, both to the architects who design the...
Service consumer ranking are used by many existing computing models for reputation. Although a variety of methods are proposed, the subjectivity and scarcity of service consumer ranking can hardly be overcome. Moreover, service consumers cannot find service providers with high reputations as well as satisfying their QoS constraints. In order to solve these problems, we proposed an extensible computing...
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