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企業(yè)服務(wù)總線調(diào)度器的設(shè)計(jì)與實(shí)現(xiàn)

發(fā)布時(shí)間:2018-03-18 22:42

  本文選題:面向服務(wù)架構(gòu) 切入點(diǎn):企業(yè)服務(wù)總線 出處:《中國(guó)科學(xué)院研究生院(沈陽(yáng)計(jì)算技術(shù)研究所)》2014年碩士論文 論文類型:學(xué)位論文


【摘要】:進(jìn)入21世紀(jì),隨著經(jīng)濟(jì)和信息技術(shù)的快速發(fā)展,企業(yè)為了加快服務(wù)的個(gè)性化和人性化的發(fā)展而開發(fā)了各種信息系統(tǒng)和服務(wù)系統(tǒng)。這些系統(tǒng)可能采用不同的技術(shù),使用不同的程序語(yǔ)言以及運(yùn)行在不同的系統(tǒng)平臺(tái)上。在這種情況下,對(duì)企業(yè)的信息共享與系統(tǒng)組合集成帶來(lái)了困難。技術(shù)和需求相互促進(jìn)發(fā)展,在面對(duì)這種需求的情況下,面向服務(wù)架構(gòu)(Service-Oriented Architecture,SOA)編程思想應(yīng)運(yùn)而生,,而企業(yè)服務(wù)總線(Enterprise Service Bus,ESB)能更好的運(yùn)用這種思想來(lái)解決對(duì)系統(tǒng)信息共享和集成的難題,使得各類服務(wù)系統(tǒng)進(jìn)行解耦和交互。 企業(yè)服務(wù)總線是由Web Service技術(shù)和中間件等技術(shù)相結(jié)合的結(jié)果,是實(shí)現(xiàn)SOA的基礎(chǔ)設(shè)施。企業(yè)服務(wù)總線作為一個(gè)服務(wù)方的中介者,在服務(wù)提供方和服務(wù)消費(fèi)方之間起到橋梁的作用。本文通過(guò)對(duì)面向服務(wù)架構(gòu)、階段事件驅(qū)動(dòng)架構(gòu)(StageEvent-Driven Agriculture, SEDA)、優(yōu)秀的開源Webx服務(wù)框架和線程池的封裝進(jìn)行了詳細(xì)的研究和分析,以此作為技術(shù)支持;再結(jié)合ESB的工作原理和功能上的要求,提出了啟發(fā)式資源調(diào)度分配算法,設(shè)計(jì)出具有較好負(fù)載和調(diào)控性能的ESB調(diào)度器。 調(diào)度器作為服務(wù)系統(tǒng)的重要組成部分,它主要是由中央調(diào)度控制器和階段控制器組成。按照業(yè)務(wù)流程,本文把ESB系統(tǒng)劃分成多個(gè)功能不同的階段,由ESB系統(tǒng)的調(diào)度器對(duì)各個(gè)階段進(jìn)行調(diào)度和資源的分配。在負(fù)載較重的情況下,調(diào)度器采取請(qǐng)求準(zhǔn)入控制策略,以確保系統(tǒng)穩(wěn)定的運(yùn)行。文章詳細(xì)介紹了ESB各個(gè)階段的功能,重點(diǎn)描述了ESB調(diào)度器,包括負(fù)載監(jiān)視、負(fù)載均衡和準(zhǔn)入控制的設(shè)計(jì)與實(shí)現(xiàn)。最后,文章對(duì)企業(yè)服務(wù)總線的功能和性能方面進(jìn)行了測(cè)試,總結(jié)基于階段事件架構(gòu)系統(tǒng)的優(yōu)點(diǎn)以及后續(xù)進(jìn)一步需要研究的問(wèn)題。
[Abstract]:In 21th century, with the rapid development of economy and information technology, enterprises developed various information systems and service systems in order to accelerate the development of personalized and humanized services. Use different programming languages and run on different system platforms. In this case, it is difficult to share information and integrate systems. Technology and requirements promote each other. Service-Oriented Architecture (SOA) programming idea emerges as the times require, and Enterprise Service bus (ESBs) can better use this idea to solve the problem of information sharing and integration, and make all kinds of service systems decouple and interact. Enterprise service bus is the result of the combination of Web Service technology and middleware technology, and is the infrastructure to implement SOA. This paper makes a detailed research and analysis on the service-oriented architecture, the stage event driven architecture, the StageEvent-Driven Agriculture, the excellent open source Webx services framework and the encapsulation of the thread pool. According to the principle and function of ESB, a heuristic resource scheduling algorithm is proposed, and a ESB scheduler with good load and control performance is designed. As an important part of service system, scheduler is mainly composed of central scheduling controller and stage controller. According to the business process, the ESB system is divided into several stages with different functions. In the case of heavy load, the scheduler adopts request admission control strategy to ensure the stable operation of the system. This paper introduces the functions of each stage of ESB in detail. This paper mainly describes the design and implementation of ESB scheduler, including load monitoring, load balancing and access control. Finally, the paper tests the function and performance of enterprise service bus. The advantages of the stage-based event-based architecture system and the problems to be studied in the future are summarized.
【學(xué)位授予單位】:中國(guó)科學(xué)院研究生院(沈陽(yáng)計(jì)算技術(shù)研究所)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2014
【分類號(hào)】:TP393.09;TP311.52

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