本文選題：元能力網(wǎng)絡(luò) + 隨機(jī)網(wǎng)絡(luò)演算��； 參考：《浙江工商大學(xué)》2014年碩士論文

【摘要】：網(wǎng)絡(luò)應(yīng)用的復(fù)雜化和多樣化使得傳統(tǒng)網(wǎng)絡(luò)暴露出越來越多的不足,業(yè)務(wù)需求與網(wǎng)絡(luò)基礎(chǔ)能力之間的差距日益加劇,傳統(tǒng)網(wǎng)絡(luò)越來越難以適應(yīng)復(fù)雜多變的業(yè)務(wù)需求。這一切促使以追求開放、可擴(kuò)展、可管控、業(yè)務(wù)普適為目的的新一代網(wǎng)絡(luò)體系架構(gòu)得到廣泛的研究。國(guó)家973計(jì)劃項(xiàng)目“可重構(gòu)信息通信基礎(chǔ)網(wǎng)絡(luò)體系研究”提出了以元能力理論為基礎(chǔ)的可重構(gòu)信息通信基礎(chǔ)網(wǎng)絡(luò),作為新一代網(wǎng)絡(luò)體系架構(gòu)的一種,它構(gòu)建了一個(gè)功能可動(dòng)態(tài)重構(gòu)的網(wǎng)絡(luò),因此對(duì)元能力網(wǎng)絡(luò)的研究具有重要的意義。 服務(wù)鏈作為元能力網(wǎng)絡(luò)的基礎(chǔ)組成部分,它提供的性能好壞直接影響元能力網(wǎng)絡(luò)提供給業(yè)務(wù)流的服務(wù)質(zhì)量保證。本文針對(duì)這一問題,以性能模型為基礎(chǔ),對(duì)最優(yōu)服務(wù)鏈的構(gòu)建方法進(jìn)行深入研究,提出了一種基于性能模型的服務(wù)鏈構(gòu)建方法,其主要研究?jī)?nèi)容有： 1)根據(jù)現(xiàn)代網(wǎng)絡(luò)中數(shù)據(jù)流的流量特征,以隨機(jī)網(wǎng)絡(luò)演算作為計(jì)算網(wǎng)絡(luò)性能的理論工具,為業(yè)務(wù)流建立串聯(lián)結(jié)構(gòu)服務(wù)鏈端到端延時(shí)性能上界模型和數(shù)據(jù)積壓性能上界模型。 2)設(shè)計(jì)一種服務(wù)鏈表達(dá)方式,用服務(wù)鏈表達(dá)式來表示任意結(jié)構(gòu)的服務(wù)鏈,然后在此基礎(chǔ)上,設(shè)計(jì)一種服務(wù)鏈簡(jiǎn)化算法,將任意結(jié)構(gòu)服務(wù)鏈等效為串聯(lián)結(jié)構(gòu)服務(wù)鏈來處理。 3)以性能模型、服務(wù)鏈表達(dá)方法和服務(wù)鏈簡(jiǎn)化算法為基礎(chǔ),設(shè)計(jì)一個(gè)服務(wù)鏈構(gòu)建方法。然后以服務(wù)鏈構(gòu)建方法為理論核心,設(shè)計(jì)并實(shí)現(xiàn)一個(gè)基于性能模型的服務(wù)鏈自動(dòng)化構(gòu)建工具,并展示一個(gè)用工具構(gòu)建實(shí)現(xiàn)IPv4路由轉(zhuǎn)發(fā)功能的服務(wù)鏈的實(shí)例。最后編寫程序進(jìn)行仿真,以驗(yàn)證工具構(gòu)建正確性。
[Abstract]:Because of the complexity and diversification of network application, the traditional network exposes more and more shortcomings, the gap between the service requirement and the network basic capability is becoming more and more serious, and the traditional network is becoming more and more difficult to adapt to the complex and changeable business requirements. All this has led to extensive research on a new generation of network architecture that seeks to be open, scalable, manageable, and business universal. The National 973 Project "Research on Reconfigurable Information and Communication basic Network system" puts forward the reconfigurable information and communication basic network based on meta-capability theory, which is one of the new generation network architecture. It constructs a dynamically reconfigurable network, so the research of meta-capability network is of great significance. As the basic component of meta-capability network, the performance of service chain directly affects the quality of service (QoS) assurance provided by meta-capability network to traffic flow. Aiming at this problem, based on the performance model, this paper deeply studies the construction method of the optimal service chain, and puts forward a service chain construction method based on the performance model. The main research contents are as follows: 1) according to the traffic characteristics of data flow in modern network, the upper bound model of end-to-end delay performance and the upper bound model of data backlog performance for service chain in series structure are established by using stochastic network calculus as a theoretical tool to calculate network performance. 2) A service chain representation method is designed, which is used to represent the service chain with arbitrary structure. Based on this, a simplified service chain algorithm is designed, which is equivalent to the series structure service chain. 3) based on the performance model, service chain representation method and service chain simplification algorithm, a service chain construction method is designed. Then, a service chain automation tool based on performance model is designed and implemented based on the service chain construction method, and an example of how to build service chain with tools to realize IPv4 routing and forwarding function is presented. Finally, the program is written to verify the correctness of the tool.
【學(xué)位授予單位】：浙江工商大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TP393.02

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