本文選題：多接口主機(jī)　切入點(diǎn)：網(wǎng)絡(luò)接口選擇　出處：《北京郵電大學(xué)》2012年碩士論文　論文類型：學(xué)位論文

【摘要】：近年來,隨著網(wǎng)絡(luò)接入技術(shù)的高速發(fā)展以及計(jì)算機(jī)硬件技術(shù)的成熟和提升,越來越多的主機(jī)具備了多個網(wǎng)絡(luò)接口獨(dú)立通信的能力。為了能夠向不同的會話提供足夠的資源,當(dāng)接入不同網(wǎng)絡(luò)的多接口主機(jī)與其他主機(jī)進(jìn)行通信時,多接口主機(jī)會根據(jù)接口特性或業(yè)務(wù)需求為會話選擇最佳接口。但是,主機(jī)多個網(wǎng)絡(luò)接口的同時使用產(chǎn)生了很多問題,比如網(wǎng)絡(luò)接口選擇問題、路由調(diào)度問題等。與此同時,多接口主機(jī)復(fù)雜性的不斷提高使得人們對主機(jī)的維護(hù)和管理越來越困難,傳統(tǒng)網(wǎng)絡(luò)接口管理方式的弊端凸顯。多接口主機(jī)不能根據(jù)網(wǎng)絡(luò)環(huán)境的變化進(jìn)行接口選擇的動態(tài)調(diào)整,也缺乏在自身網(wǎng)絡(luò)接口選擇過程中對被管信息的自學(xué)習(xí)、自修復(fù)、自配置的能力。因此,人們希望未來多接口主機(jī)能夠?qū)崿F(xiàn)自治管理,來減少人工管理和維護(hù)的成本。 論文首先介紹了多接口主機(jī)和自治網(wǎng)絡(luò)管理的相關(guān)技術(shù),分析了多接口主機(jī)通信過程中面臨的主要問題和典型解決方法,并總結(jié)了自治網(wǎng)絡(luò)管理的基本模型以及常用的技術(shù)手段和實(shí)現(xiàn)方法；其次,引入自治管理思想,給出了一種多接口主機(jī)自治接口選擇方法,設(shè)計(jì)了信息處理模塊、自治決策模塊以及反饋重配置模塊等關(guān)鍵模塊,以及信令交互和策略更新流程,實(shí)現(xiàn)了多接口主機(jī)在接口選擇過程中對被管信息的自學(xué)習(xí)和自配置功能,使得多接口主機(jī)在通信過程中能夠?yàn)閼?yīng)用程序選擇合理的網(wǎng)絡(luò)接口；然后,在Linux環(huán)境下擴(kuò)展現(xiàn)有DHCPv6協(xié)議開發(fā)實(shí)現(xiàn)了多接口主機(jī)自治接口選擇方案中的關(guān)鍵信令消息和功能模塊；最后,通過搭建試驗(yàn)環(huán)境對該方法的功能和性能進(jìn)行了測試,試驗(yàn)結(jié)果表明方案能夠?yàn)閿?shù)據(jù)流選擇合理的網(wǎng)絡(luò)接口,實(shí)現(xiàn)了接口業(yè)務(wù)的負(fù)載均衡,提升了主機(jī)的吞吐量和網(wǎng)絡(luò)接口利用率。
[Abstract]:In recent years, with the rapid development of network access technology and the maturity and improvement of computer hardware technology, more and more hosts have the ability to communicate independently with multiple network interfaces. When the multi-interface host connected to different networks communicates with other hosts, the multi-interface host selects the best interface for the session according to the interface characteristics or business requirements. At the same time, with the increasing complexity of multi-interface hosts, it is becoming more and more difficult for people to maintain and manage hosts. The disadvantages of the traditional network interface management mode are highlighted. The multi-interface host can not dynamically adjust the interface selection according to the change of the network environment, and it also lacks the self-learning and self-repairing of the managed information in the process of selecting its own network interface. Therefore, it is hoped that in the future multi-interface hosts will be able to implement autonomous management to reduce the cost of manual management and maintenance. This paper first introduces the related technologies of multi-interface host and autonomous network management, and analyzes the main problems and typical solutions in the process of multi-interface host communication. And summarizes the basic model of autonomous network management as well as the common technical means and implementation methods. Secondly, introduce the idea of autonomous management, give a multi-interface host autonomy interface selection method, design the information processing module. The key modules, such as autonomous decision module and feedback reconfiguration module, as well as signaling interaction and policy updating process, have realized the self-learning and self-configuration function of multi-interface host to managed information in the process of interface selection. The multi-interface host can select the reasonable network interface for the application program in the communication process, and then the key signaling message and function module in the multi-interface host autonomous interface selection scheme are developed and implemented by extending the existing DHCPv6 protocol under the Linux environment. Finally, the function and performance of the method are tested by setting up a test environment. The experimental results show that the scheme can select a reasonable network interface for the data flow and realize the load balancing of the interface services. Improved host throughput and network interface utilization.
【學(xué)位授予單位】：北京郵電大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2012
【分類號】：TP331

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本文編號：1603135