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The Study of QoS Fault Management Technologies for Web Services

Author: LiLiLi
Tutor: FuYou
School: Shandong University of Science and Technology
Course: Computer System Architecture
Keywords: Web services service quality quality of service monitoring fault management
CLC: TP393.09
Type: Master's thesis
Year: 2011
Downloads: 18
Quote: 0
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Abstract


With the development of computer network and multimedia technology, all services in network were packaged abstractly as Web services, which is a self-describing, modular application. It is a platform-independent technology, and build a common technology stack in heterogeneous platform.It can make communication with each other and share data between heterogeneous systems, and address the gap between Web applications and traditional desktop applications, unified the IT platform.With the development of network technology, and fast increase in HTTP and Web application requests on the network. Service requirements getting higher and higher by the user of services on the network, needed to provide users with reliable and secure Web services. In a complicate network services, Quality of Services received more and more attention. How to provide user with excellent QoS properties of Web services has become a field of research on Web service and QoS issues.To solve these issues, this paper research on management technology of QoS fault of a Web service, analysis of key technology in Web service QoS fault management in detail. Including such as fault monitoring, fault diagnosis and fault repair technique. In addition, this paper gives a QoS indicator for QoS failures management system, which has been formal description. And this paper explore the QoS structure fault management model. Has designed a QoS monitoring model for Web services, and a Web services fault location method for QoS.At last, design an ADDA algorithm of fault diagnosis by improved communication cost basis on the DDA(Distributed Diagnosis Algorithm).

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Computer network > General issues > The application of computer network
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