【摘要】：隨著大數(shù)據(jù)時(shí)代的來(lái)臨,當(dāng)前互聯(lián)網(wǎng)的端到端傳輸機(jī)制不能滿足網(wǎng)絡(luò)中海量數(shù)據(jù)的傳輸需求。與此同時(shí),當(dāng)前互聯(lián)網(wǎng)的接入方式由傳統(tǒng)的固定接入,發(fā)展到現(xiàn)在的固定接入與移動(dòng)接入并駕齊驅(qū)的接入方式,使得終端位置不再完全固定,當(dāng)前互聯(lián)網(wǎng)以IP地址為核心、端到端的傳輸機(jī)制不適用于終端位置不固定的傳輸。為解決當(dāng)前互聯(lián)網(wǎng)這種傳輸方式帶來(lái)的先天性缺陷問(wèn)題,人們開(kāi)始思考未來(lái)互聯(lián)網(wǎng)的傳輸機(jī)制,由此對(duì)當(dāng)前互聯(lián)網(wǎng)的體系結(jié)構(gòu)和路由機(jī)制進(jìn)行革命性地重新設(shè)計(jì),信息中心網(wǎng)絡(luò)(Information-Centric Networking, ICN)在這背景下應(yīng)運(yùn)而生。學(xué)術(shù)界和業(yè)界都在思考信息中心網(wǎng)絡(luò)的路由機(jī)制,本文也對(duì)信息中心網(wǎng)絡(luò)的路由機(jī)制展開(kāi)了研究。隨著互聯(lián)網(wǎng)耗電量與溫室氣體排放量的迅速增加,綠色和環(huán)保已經(jīng)成為網(wǎng)絡(luò)構(gòu)建和發(fā)展的基本要求。因此,本文根據(jù)信息中心網(wǎng)絡(luò)現(xiàn)有的體系結(jié)構(gòu)及工作原理等相關(guān)基礎(chǔ)研究成果,基于信息中心網(wǎng)絡(luò)具有的為內(nèi)容命名按內(nèi)容名稱檢索和天然備份等特點(diǎn),設(shè)計(jì)了信息中心網(wǎng)絡(luò)的綠色路由機(jī)制。在內(nèi)容傳輸過(guò)程中,根據(jù)鏈路能效狀態(tài)及綠色路由算法,對(duì)網(wǎng)絡(luò)流量進(jìn)行動(dòng)態(tài)調(diào)節(jié),選擇能效較高的路徑傳輸內(nèi)容。信息中心網(wǎng)絡(luò)的路由節(jié)點(diǎn)要求具備尋路、交換、計(jì)算、存儲(chǔ)、自感知和自管理能力。同時(shí),近年來(lái)互聯(lián)網(wǎng)中的新型網(wǎng)絡(luò)應(yīng)用(如網(wǎng)絡(luò)學(xué)習(xí)、視頻會(huì)議、在線培訓(xùn)和遠(yuǎn)程醫(yī)療等)也正在日益激增,用戶對(duì)網(wǎng)絡(luò)的服務(wù)質(zhì)量(Quality of Service, QoS)和容錯(cuò)性要求越來(lái)越高。因此,信息中心的綠色路由機(jī)制的設(shè)計(jì)還需兼顧服務(wù)質(zhì)量和容錯(cuò)性保證。本文考慮了用戶QoS需求,在選路過(guò)程中,最大化所選路徑的端到端QoS評(píng)價(jià)值。同時(shí),為保證端到端的可靠性,本文在建立工作路徑的同時(shí)還建立了保護(hù)路徑。由于多QoS參量約束、多目標(biāo)QoS路由問(wèn)題已被證明是NP完全問(wèn)題,因此本文引入智能水滴算法進(jìn)行優(yōu)化求解。本文對(duì)信息中心網(wǎng)絡(luò)綠色QOS路由機(jī)制進(jìn)行了仿真實(shí)現(xiàn),并與基準(zhǔn)機(jī)制進(jìn)行了性能對(duì)比。其結(jié)果表明,本文提出的信息中心網(wǎng)絡(luò)綠色QoS路由機(jī)制在節(jié)能和滿足用戶QOS需求方面是可行且有效的。
[Abstract]:With the advent of big data era, the current end-to-end transmission mechanism of the Internet can not meet the needs of mass data transmission in the network. At the same time, the current Internet access mode from the traditional fixed access to the current fixed access and mobile access parallel access mode, so that the terminal position is no longer completely fixed, the current Internet with IP address as the core, End-to-end transmission mechanism is not suitable for terminal position is not fixed transmission. In order to solve the problem of congenital defects brought about by the current Internet transmission mode, people begin to think about the transmission mechanism of the future Internet, and then carry out a revolutionary redesign of the current Internet architecture and routing mechanism. Information center network (Information-Centric Networking, ICN) came into being under this background. Both academia and industry are thinking about the routing mechanism of the information center network, and this paper also studies the routing mechanism of the information center network. With the rapid increase of Internet power consumption and greenhouse gas emissions, green and environmental protection have become the basic requirements of network construction and development. Therefore, according to the existing information center network architecture and working principle and other related basic research results, based on the information center network has the characteristics of content naming, content name retrieval and natural backup, etc. The green routing mechanism of information center network is designed. In the process of content transmission, according to the link energy efficiency state and the green routing algorithm, the network traffic is dynamically adjusted, and the more energy-efficient path transmission content is selected. Routing nodes in information center networks require routing, switching, computing, storage, self-sensing and self-management capabilities. At the same time, the new network applications (such as network learning, video conference, online training and telemedicine) in recent years are also increasing rapidly. Users are demanding higher quality of service (Quality of Service, QoS) and fault-tolerance of the network. Therefore, the design of green routing mechanism in information center should take into account the quality of service and fault tolerance. In this paper, the user's QoS requirements are considered, and the end-to-end QoS evaluation of the selected path is maximized during routing. At the same time, in order to ensure the end-to-end reliability, this paper establishes the working path and the protection path at the same time. The multi-objective QoS routing problem has been proved to be a complete NP problem due to the constraints of multiple QoS parameters, so the intelligent water drop algorithm is introduced to solve the optimization problem in this paper. In this paper, the green QOS routing mechanism of information center network is simulated and compared with the benchmark mechanism. The results show that the proposed green QoS routing mechanism in the information center network is feasible and effective in terms of energy saving and meeting the QOS requirements of users.
【學(xué)位授予單位】：東北大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TN929.5

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本文編號(hào)：2376649