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Research and Application of SOAP Cache Agency in SOA Environment

Author: LiXiaoYi
Tutor: WenJunHao
School: Chongqing University
Course: Computer Software and Theory
Keywords: Service - oriented architecture Web services Simple Object Access Protocol Cache
CLC: TP311.52
Type: Master's thesis
Year: 2009
Downloads: 43
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Abstract


Research topic of this article come from the national \Service-oriented architecture (SOA) with its flexibility, reusability and the advantages of saving businesses to invest, and so on, are being widely used in the construction of enterprise information in the survey and design industry. Web services is the de facto standard in the SOA implementation, and Simple Object Access Protocol (SOAP) complex process affecting the performance of the service. Implementation of cache for SOAP messages in order to shorten the response time, improve the performance of the SOA system is a viable way to create a valid SOAP proxy cache mechanism, while the Enterprise Service Bus (ESB), messaging middleware, can be connected to the ESB multiple service providers and service requestors benefits. This paper, through the study of web services and cache technology, combined with the characteristics of Web services and SOAP, SOAP caching strategies based on SOAP Header extensions messaging middleware implementation to the cache based Mule mechanism based on SOAP caching proxy prototype. The cache agent by SOAP response the cached for answering some time within the same request, has been tested effectively shorten this part of the request service response time. Compared with the existing research, this paper, the design of SOAP cache extension mechanism and cache proxy mode can be implemented better, does not require bigger changes to existing protocols and treatment system in the new system and the existing system based on SOA both can be implemented. The completed work in this paper are as follows: ① study SOA and Web services technology, analysis of the performance problems faced by the Web services-based SOA applications environment, at home and abroad for this problem, existing research results. SOAP caching mechanism to solve Web services performance and feasibility. ② the the cacheable Web services need to meet the conditions. SOAP cache strategy based on SOAP Header extensions cache service, design and processing of SOAP messages with attachments. ③ design based messaging middleware caching proxy processing mechanism. (4) functional and performance requirements for SOAP caching proxy SOAP engine and compare a variety of mainstream XML parsing technology. VTD-XML-based SOAP processing engine to adapt to the special handling requirements SOAP caching proxy. ⑤ Mule SOAP caching proxy prototype. ⑥ actual service, the the SOAP cache agent before and after the implementation of the performance comparison test and analysis. ⑦ SOAP cache agent in the area for mobile phone news distribution, and

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Program design,software engineering > Software Engineering > Software Development
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