本文選題：SDN　切入點：OpenDaylight　出處：《浙江工商大學(xué)》2014年碩士論文　論文類型：學(xué)位論文

【摘要】：如今,信息網(wǎng)絡(luò)正面臨著種種新的挑戰(zhàn),具備較強適應(yīng)能力的軟件定義網(wǎng)絡(luò)正成為人們關(guān)注的焦點。軟件定義網(wǎng)絡(luò)(Software Defined Network, SDN)最初是由斯坦福大學(xué)clean slate研究組提出的一種新型網(wǎng)絡(luò)架構(gòu),其核心技術(shù)是將網(wǎng)絡(luò)設(shè)備控制面與數(shù)據(jù)面分離,通過對控制件的直接編程來實現(xiàn)靈活控制網(wǎng)絡(luò)流量的目的。OpenDaylight是軟件定義網(wǎng)絡(luò)目前最有希望的一個開源框架,通過開放社區(qū)開發(fā)者、項目管理與開源代碼的聯(lián)合已大體實現(xiàn)了建立一個開放、可編程和可控制的參考框架。因此,本文結(jié)合經(jīng)濟學(xué)中雙邊市場多歸屬結(jié)構(gòu)的概念,在OpenDaylight架構(gòu)基礎(chǔ)之上,提出了基于軟件定義價格的SDN資源管理機制,并對該機制所涉及的相關(guān)技術(shù)做了更深入的探討和研究。 首先,本文詳細介紹了軟件定義網(wǎng)絡(luò)的研究現(xiàn)狀和未來發(fā)展趨勢,并對軟件定義網(wǎng)絡(luò)技術(shù)進行分析對比。其次,在開源項目OpenDaylight基礎(chǔ)之上提出了Multi-Agent價格協(xié)商模塊,并將此模塊嵌入到OpenDaylight架構(gòu)中從而提出了基于Multi-Agent的OpenDaylight主體框架。再次,對經(jīng)濟學(xué)中的雙邊市場理論進行交叉學(xué)科研究,通過基于Multi-Agent的OpenDaylight主體框架采用雙邊市場多歸屬結(jié)構(gòu)來構(gòu)建SDN資源管理體系結(jié)構(gòu),并在該體系結(jié)構(gòu)中提出了基于軟件定義價格的SDN資源管理機制和相應(yīng)的資源選擇過程。然后,在該SDN資源管理機制中,本文提出來了軟件定義價格(Software Defined Price,SDP)的概念。在SDP中,本文結(jié)合Mutil-Agent模型對資源進行定價,在博弈論的基礎(chǔ)之上提出了一種動態(tài)的資源價格選擇算法。在資源的分配上,分別在單、雙平臺上采用順序分配策略和貪心策略進行分配。 最后,本文通過不同資源分配策略在單平臺和雙平臺下的仿真比較結(jié)果,可以得出以下結(jié)論：在任務(wù)完成代價和時間上,無論采用順序分配策略還是貪心策略,雙平臺運行結(jié)果都比單平臺更有優(yōu)勢,由此說明了基于軟件定義價格的SDN資源管理體系結(jié)構(gòu)的優(yōu)越性。
[Abstract]:Today, the information network is facing new challenges. Software-defined networks with strong adaptability are becoming the focus of attention. Software Defined Networks (SDNs) is a new network architecture originally proposed by the clean slate team at Stanford University. The core technology is to separate the control surface of the network device from the data surface, and to realize the purpose of flexibly controlling the network traffic through direct programming of the control parts. OpenDaylight is the most promising open source framework for the software to define the network at present. Through open community developers, the combination of project management and open source code has largely achieved the establishment of an open, programmable and controllable reference framework. On the basis of OpenDaylight architecture, a SDN resource management mechanism based on software definition price is proposed, and the related technologies involved in this mechanism are discussed and studied deeply. First of all, this paper introduces the research status and future development trend of software definition network in detail, and analyzes and compares the software definition network technology. Secondly, based on the open source project OpenDaylight, a Multi-Agent price negotiation module is proposed. And the module is embedded into the OpenDaylight framework to put forward the main frame of OpenDaylight based on Multi-Agent. Thirdly, the cross-disciplinary research on the bilateral market theory in economics is carried out. Through the OpenDaylight principal framework based on Multi-Agent, the SDN resource management architecture is constructed by adopting the bilateral market multi-home structure, and the SDN resource management mechanism based on the software definition price and the corresponding resource selection process are put forward in this architecture. In this SDN resource management mechanism, this paper puts forward the concept of software definition price Defined (Defined). In SDP, this paper uses Mutil-Agent model to price resources. On the basis of game theory, a dynamic resource price selection algorithm is proposed, in which sequential and greedy strategies are used for resource allocation on single and double platforms, respectively. Finally, by comparing the simulation results of different resource allocation strategies on single and double platforms, we can draw the following conclusions: in terms of task completion cost and time, either sequential allocation strategy or greedy strategy is adopted. The results of dual-platform operation are superior to that of single platform, which shows the superiority of SDN resource management architecture based on software defined price.
【學(xué)位授予單位】：浙江工商大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TP393.09

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