【摘要】：目前在具有多個(gè)自治域的網(wǎng)絡(luò)環(huán)境下,跨域的網(wǎng)絡(luò)管理沒有一套良好的解決方案。現(xiàn)有的研究成果主要是域間協(xié)作式的通信信令機(jī)制,但是尚無完備的應(yīng)用并且缺乏可用網(wǎng)絡(luò)環(huán)境對(duì)其進(jìn)行驗(yàn)證。因此,結(jié)合OpenFlow技術(shù),提出了域間協(xié)作網(wǎng)絡(luò)管理調(diào)控機(jī)制,該機(jī)制是一套包含從協(xié)作請(qǐng)求的創(chuàng)建、各域之間的分發(fā)交互到最終執(zhí)行請(qǐng)求的完整解決方案。協(xié)作請(qǐng)求創(chuàng)建時(shí)使用管理策略描述語言來制定策略,分發(fā)時(shí)使用抽象拓?fù)浜吐窂接?jì)算,請(qǐng)求和答復(fù)的消息遵循已有的域間協(xié)作網(wǎng)絡(luò)信令機(jī)制,而執(zhí)行時(shí)則運(yùn)用OpenFlow支持可編程式的集中網(wǎng)絡(luò)控制的特點(diǎn),將需求組裝成指令交給OpenFlow交換機(jī)去執(zhí)行。 并且開發(fā)和實(shí)現(xiàn)了域間協(xié)作網(wǎng)絡(luò)管理調(diào)控系統(tǒng)。系統(tǒng)的3個(gè)重要組成部分為域間管理代理、適配器和控制器。域間管理代理負(fù)責(zé)接收和響應(yīng)協(xié)作請(qǐng)求還有在域和域之間傳遞消息；適配器負(fù)責(zé)解析協(xié)作請(qǐng)求并將請(qǐng)求中包含的管理策略映射成為OpenFlow交換機(jī)可執(zhí)行指令；控制器則負(fù)責(zé)和OpenFlow交換機(jī)通信,采集OpenFlow網(wǎng)絡(luò)信息、下發(fā)OpenFlow交換機(jī)指令。 通過搭建OpenFlow多域網(wǎng)絡(luò)環(huán)境,并在此之上進(jìn)行系統(tǒng)的測(cè)試,證明了系統(tǒng)的健壯、有效,同時(shí)也驗(yàn)證了域間協(xié)作網(wǎng)絡(luò)管理調(diào)控機(jī)制的可行性。
[Abstract]:At present, in the network environment with multiple autonomous domains, cross-domain network management does not have a good solution. The existing research results are mainly inter-domain cooperative communication signaling mechanism, but there is no complete application and lack of network environment to verify it. Therefore, based on the OpenFlow technology, an inter-domain cooperative network management control mechanism is proposed, which is a complete solution from the creation of collaborative requests, the distribution interaction between domains to the final execution of requests. When the cooperation request is created, the management policy description language is used to formulate the policy, and the abstract topology and path calculation are used for distribution. The message of request and reply follows the existing signaling mechanism of inter-domain cooperative network. The execution time uses the characteristics of OpenFlow to support programmable centralized network control and assembles the requirements into instructions to be executed by the OpenFlow switch. And developed and implemented the inter-domain cooperative network management and control system. Three important components of the system are inter-domain management agents, adapters and controllers. The inter-domain management agent is responsible for receiving and responding to the cooperation request and delivering messages between the domain and the domain, and the adapter is responsible for resolving the cooperation request and mapping the management policy contained in the request into the executable instruction of the OpenFlow switch. The controller is responsible for communicating with OpenFlow switches, collecting OpenFlow network information and issuing OpenFlow switch instructions. By setting up the OpenFlow multi-domain network environment and testing the system on this basis, the system is proved to be robust and effective, and the feasibility of inter-domain cooperative network management and regulation mechanism is also verified.
【學(xué)位授予單位】：北京郵電大學(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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