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研究生:丁律中
研究生(外文):TING, LU-CHUNG
論文名稱:在軟體定義網路中以層級分析法設定多重路徑傳輸權重之效能分析
論文名稱(外文):Performance Analysis on Multipath Transmission Using Analytic Hierarchy Process in Software Defined Networks
指導教授:陳永昇陳永昇引用關係
指導教授(外文):CHEN, YEONG-SHENG
口試委員:柯志亨游允帥
口試委員(外文):KE, CHIN-HENGYU, YUN-SHUAI
口試日期:2017-07-17
學位類別:碩士
校院名稱:國立臺北教育大學
系所名稱:資訊科學系碩士班
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2017
畢業學年度:105
語文別:中文
論文頁數:52
中文關鍵詞:軟體定義網路OpenFlow隨機交換層級方析法
外文關鍵詞:Software-defined NetworksOpenFlowStochastic SwitchingAnalytic Hierarchy Process
相關次數:
  • 被引用被引用:1
  • 點閱點閱:308
  • 評分評分:
  • 下載下載:0
  • 收藏至我的研究室書目清單書目收藏:3
隨著網路及影音技術的進步,發展出許多新型態的多媒體串流服務,這些應用使得網路的頻寬的需求大幅提高,對網路的規劃與控管也顯得越來越重要,軟體定義網路(Software Defined Networks,SDN)將傳統網路分為控制層與資料層,提升了網管人員對網路的監控與控制權,使得網路規劃的應用上也更具靈活性與效率。為了滿足多媒體影音傳輸的要求,在傳統上,常使用QoS Routing或Multipath Routing的方法來增加網路傳輸效能(增加頻寬與提供容錯),但是,這些技術卻必須滿足某些限制條件,才能達到預期的效益,在使用上變得不易達成。本論文將利用軟體定義網路對資料流的控制能力,提出一種基於軟體定義網路環境下的多路徑傳輸機制,先尋找符合限制條件的最適傳輸路徑,再透由OpenFlow協定的隨機路由方法,配合層級分析法設定多重路徑傳輸權重,將單一資料流以多重路徑傳輸。經實驗驗證,相較於傳統單一類別資料流以單一路徑傳輸方法,本研究提出的多路徑傳輸機制,可提供較高的網路頻寬、較低的封包遺失率及延遲時間,以提升網路效能,並減少因路徑閒置造成的資源浪費。

Due to the rapid advancement of internet and multimedia technology, many new multimedia streaming applications and services have been developed. These services make a substantial increase in bandwidth demand, and hence a strategy for network planning and control is also increasingly important. Software defined network (SDN) is a new networking paradigm which separates and abstracts data plane and forwarding plane in a network. Network intelligence is logically centralized in the controller layer and abstracted from the underlying physical network. SDN results in more efficient network management, more flexibility in response to demands and faster innovation. In order to provide better multimedia transmission service, some people use QoS Routing and Multipath Routing to improve performance of multimedia transmission. However, these methods must conform some restrictions in order to achieve the expected goals. Generally speaking, these methods are not easy be used. In this study, we developed a multipath transmission mechanism for single data flow in software defined networks. Firstly, we use LARAC algorithm to find the best transmission paths that conform the required restrictions. Secondly, we use Analytic Hierarchy Process to set multipath transmission weights based on Open Flow Stochastic Switching. Experimental results show the proposed mechanism can provide higher bandwidth, reduce packet loss rate, and decrease transmission delay in comparison with single path transmission. Therefore, the proposed mechanism can be effectively applied in the software defined networks for multimedia transmission.
1 緒論 1
1.1 前言 1
1.2 研究背景 1
1.3 研究動機與目的 2
1.4 論文架構 3
2 相關研究與文獻探討 4
2.1 SOFTWARE DEFINED NETWORKS 4
2.2 OPENFLOW 6
2.3 QOS ROUTING 12
2.4 MULTIPATH 13
2.5 ANALYTIC HIERARCHY PROCESS 18
3 研究方法 20
3.1 路徑搜尋 20
3.2 路徑傳輸機率 21
4 實驗模擬 31
4.1 模擬環境與測試工具介紹 31
4.2 實驗一 模擬環境測試 34
4.3 實驗二 單一路徑與多重路徑TCP傳輸效能比較 37
4.4 實驗三 單一路徑與多重路徑UDP傳輸效能比較 45
5 結論與未來展望 50
6 參考文獻 51


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[4]OpenFlow switch specification.https://www.opennetworking.org/images/stories/downloads/sdn-resources/onf-specifications/openflow/openflow-switch-v1.5.0.noipr.pdf
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[15]Duan, J., Wang, Z., & Wu, C. (2015). Responsive multipath TCP in SDN-based datacenters. Paper presented at the Communications (ICC), 2015 IEEE International Conference on, 5296-5301.
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[17]榮泰生(2011)。Expert choice在分析層級程序法(AHP)之應用。五南。
[18]OSPF design guide.http://www.cisco.com/c/en/us/support/docs/ip/open-shortest-path-first-ospf/7039-1.html
[19]Juttner, A., Szviatovski, B., Mécs, I., & Rajkó, Z. (2001). Lagrange relaxation based method for the QoS routing problem. Paper presented at the INFOCOM 2001. Twentieth Annual Joint Conference of the IEEE Computer and Communications Societies. Proceedings. IEEE, , 2 859-868.
[20]褚志鵬(2009)。Analytic Hierarchy Process Theory層級分析法(AHP)理論與實作,國立東華大學企業管理學系教學講義。
[21]Mininet. http://mininet.org/
[22]Open vSwitch. http://openvswitch.org/
[23]Iperf. http://sourceforge.net/projects/iperf/
[24]VLC. https://en.wikipedia.org/wiki/VLC_media_player
[25]PSNR. https://en.wikipedia.org/wiki/Peak_signal-to-noise_ratio
[26]柯志亨 Stochastic Switching using Open vSwitch in Mininet. http://csie.nqu.edu.tw/smallko/sdn/stoachastic_switching.htm

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