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Research on Transparent Failure Takeover of Web Services

Author: HeXiaoZhong
Tutor: HuangYongZhong
School: PLA Information Engineering University
Course: Computer Software and Theory
Keywords: Web Services Failover Passive replication Proxy Replica discovery Availability Reliability
CLC: TP393.09
Type: Master's thesis
Year: 2010
Downloads: 15
Quote: 0
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Abstract


Web services transparent failover of great significance to improve the reliability and availability of the service system . This paper focuses on Web services transparent failover technology and failure when it comes to running in the process of taking over a copy of the service discovery technology . Papers from the overall situation of the Web service consumption process transparent failover for Web services technology to analyze the study . For the Web service provider side failure to take over the program less than to service container node group management, a copy of the service based on the application of boundary management of the packet -based , the establishment of service-oriented container cluster , based on a reliable group communication , improved passive replication technology services transparent failover model , the model for the passive replication technology introduction interceptor , message pre- replication and copy of the chain looking around the concept , to solve the problem of the failure transparency and improve the efficiency of failover ; Web service consumers for the Web service provider side can not be solved failures , client-based agent services transparent failover model for the entire control of the call to the Web service proxy mode of thinking , to shield the details of the failure and failover to the client ; failover process for the runtime services found a copy of demand for the introduction of the Web service consumer side the Chord network - based copy of the Web service discovery mechanism . The test of the prototype implementation and analysis show that the model papers help to improve the reliability and availability of the Web service system .

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