【摘要】：從本質(zhì)上講柵格（Grid）是一種新興的計(jì)算基礎(chǔ)設(shè)施，被稱為第三代Internet。柵格可以把地理上廣域分布的各種零散資源整合起來(lái)，提供更加強(qiáng)大的功能。柵格網(wǎng)中的資源具有分布性、異構(gòu)性、動(dòng)態(tài)性和自治性，對(duì)網(wǎng)絡(luò)中的資源進(jìn)行有效的管理是柵格系統(tǒng)得以應(yīng)用的重要前提。柵格網(wǎng)資源管理主要分為資源的發(fā)現(xiàn)與監(jiān)視、調(diào)度與控制，本課題主要研究資源的發(fā)現(xiàn)與監(jiān)視。 本文首先對(duì)柵格網(wǎng)的特點(diǎn)、體系結(jié)構(gòu)進(jìn)行了簡(jiǎn)要介紹，并對(duì)柵格環(huán)境下新的網(wǎng)絡(luò)管理需求和特點(diǎn)進(jìn)行了說(shuō)明，，結(jié)合柵格服務(wù)的實(shí)現(xiàn)技術(shù)WebService分析了Web服務(wù)的協(xié)議棧、框架、和調(diào)用流程。在此基礎(chǔ)上，對(duì)柵格網(wǎng)中的資源發(fā)現(xiàn)機(jī)制進(jìn)行了研究和分析，結(jié)合柵格網(wǎng)資源組織、分布特點(diǎn)，提出了一種分層分布式的跨域資源發(fā)現(xiàn)模型，根據(jù)小世界原理對(duì)網(wǎng)絡(luò)中的資源進(jìn)行組織，將柵格網(wǎng)中的資源發(fā)現(xiàn)分為域內(nèi)查找和域間查找兩部分，從而縮小了查找空間。通過(guò)對(duì)域內(nèi)和域間查找算法的分析，發(fā)現(xiàn)傳統(tǒng)的基于泛洪的域間資源發(fā)現(xiàn)存在冗余消息多，占用帶寬大，時(shí)延長(zhǎng)等缺點(diǎn)。因此將基于流言機(jī)制的資源發(fā)現(xiàn)算法（Rumor算法）引入到資源發(fā)現(xiàn)模型中，理論分析證實(shí)了Rumor算法能夠有效地減少域間消息傳遞的盲目性，提高資源搜索效率。最后采用基于Apache CXF的WebService技術(shù)實(shí)現(xiàn)了柵格服務(wù)形式下柵格網(wǎng)資源管理，主要解決了分布式跨域的資源發(fā)現(xiàn)和獲取問(wèn)題，實(shí)驗(yàn)表明有權(quán)限的用戶可以使用Web瀏覽器或其它應(yīng)用程序登陸門戶服務(wù)器訪問(wèn)柵格網(wǎng)資源管理服務(wù)，實(shí)現(xiàn)對(duì)各種異構(gòu)網(wǎng)絡(luò)的一體化管理。
[Abstract]:Grid is essentially a new computing infrastructure called the third generation Internet. Grids can integrate geographically distributed scattered resources to provide a more powerful function. The resources in grid network are distributed, heterogeneous, dynamic and autonomous. It is an important prerequisite for grid system to manage the resources effectively. Grid network resource management is mainly divided into resource discovery and monitoring, scheduling and control. In this paper, the characteristics and architecture of grid network are briefly introduced, and the requirements and characteristics of new network management in grid environment are explained. The protocol stack and framework of Web service are analyzed in combination with the implementation technology of grid service. And call the flow. On this basis, the mechanism of resource discovery in grid network is studied and analyzed. According to the characteristics of grid resource organization and distribution, a hierarchical and distributed cross-domain resource discovery model is proposed. According to the principle of small world, the resource discovery in grid network is divided into two parts: intra-domain search and inter-domain search, so the search space is reduced. Based on the analysis of intra-domain and inter-domain lookup algorithms, it is found that the traditional inter-domain resource discovery based on flooding has many shortcomings, such as redundant messages, large bandwidth, time extension and so on. Therefore, the rumor-based resource discovery algorithm (Rumor algorithm) is introduced into the resource discovery model. Theoretical analysis proves that Rumor algorithm can effectively reduce the blindness of inter-domain messaging and improve the efficiency of resource search. Finally, the technology of Web Service based on Apache CXF is used to realize grid network resource management in the form of grid service, which mainly solves the problem of distributed cross-domain resource discovery and acquisition. Experiments show that users with authority can use Web browser or other applications to log into portal server to access grid network resource management services, and realize the integrated management of various heterogeneous networks.
【學(xué)位授予單位】：河北科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TP393.07

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