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    Please use this identifier to cite or link to this item: http://ccur.lib.ccu.edu.tw/handle/A095B0000Q/792


    Title: 在軟體定義網路中優化其卸載路徑的最大頻寬負載率;Optimizing Maximum Bandwidth Utilization of the Offloading Path in SDN
    Authors: 黃泰翔;HUANG, TAI-SIANG
    Contributors: 通訊工程研究所
    Keywords: 路徑選擇;卸載;軟體定義網路;最大負載率;path selection;offload;Software-Defined Network;maximum utilization
    Date: 2017
    Issue Date: 2019-07-17 10:47:52 (UTC+8)
    Publisher: 通訊工程研究所
    Abstract: 近年來,網路發展迅速,資料的流量愈來愈龐大,甚至使得硬體設備無法跟上,為了將網路方便管理與控制,隨後軟體定義網路(Software-Defined Network)開始問世,然而硬體上的問題仍然沒有解決,為了避免鏈結超出頻寬負載所帶來的問題,像是封包的掉落以及安全上的漏洞等等,通常簡單的處裡方式是以卸載將資料移交給其他鏈結處理,但是任意地將資料轉送是否又會造成其他鏈結產生頻寬高負載狀況?這麼一來問題來是沒有解決,是個相當大的問題,所以本篇論文提出了”Avoid Passing High Utilization Bandwidth (APHUB)”方法,去解決這個問題,此方法的目的就是要避免卸載的資料在轉送時可以避開經過高頻寬負載率的鏈結,進而找出合適的新路徑,給要需要被卸載的資料傳送。而且所找出的路徑,其經過的鏈結裡的最大頻寬負載率跟其他演算法找到的路徑中去做比較後,其頻寬負載率保證是最小值,優於其他演算法。
    With the separation of the control plane from the data plane, software defined network (SDN) is ideal for the high-bandwidth and dynamic nature of many different applications. OpenFlow protocol allows network managers dynamically to optimize network resources in a quick manner. Data flow offloading is a paramount technology to leverage network resources for SDN. This thesis studies how to offload a data flow towards the “free” data path in order to avoid network congestion on any particular link. An optimized strategy to dynamically tune the maximum link utilization for the new data path is presented and analyzed.
    Appears in Collections:[通訊工程研究所] 學位論文

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