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    Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/113861


    Title: 支援不同網際網路供應商路由之線路備援機制
    Authors: 林耀仁
    黃政欽
    范慶達
    Keywords: 通透式模式;單點錯誤;多重網路;容錯能力
    Transparent mode;Single Points Of Failure;Multi-homing;Fault tolerance
    Date: 2006
    Issue Date: 2017-10-19 10:28:11 (UTC+8)
    Abstract: 資訊科技的進步帶動網際網路迅速發展，而網際網路則將數以千萬的電腦連結起來，成為彼此間資訊傳遞最快捷的途徑，然而每個網路的連結，都是透過不同家的ISP業者所提供的網路線路，因此網路中斷的因素有可能會發生在ISP的設備、光纖骨幹中斷或是機房維護等，因此在網管人員無法得知路由中斷的可能位置時，就無法快速處置。本論文在於利用連接兩家以上的網路線路商，透過路由探測與網路服務偵測的方式，更精確的診斷出故障的詳細位置及原因，並避免一般的線路備援採取的通透式模式(Transparent mode)所造成的單點錯誤(Single Points Of Failure ,SPOF)問題並應用多重網路(Multi-homing)機制的精神完成符合校園網路使用的線路備援架構。此架構將研究出一個能夠自動將網路流量區分為內部流量與外部流量，以自動導流的方式，完成校園網路(Campus Network)的容錯能力(Fault tolerance)，提高網路故障的處理效率。並以模組化方式建置此系統，透過相關模組的建立，可以提供網路節點的測試、網路狀態即時回報、網路中斷立即回報、外對內連線與內對外連線的自動切換，以有效減少管理者的負擔，並使用開放式作業系統實作於校園網路上，以驗證此機制的可行性。
    Progress of information technology takes the Internet connecting millions of computers and providing high speed communication to grow rapidly. But each node is connected by independent ISP, a network broken maybe occurred within an ISP and a network manager of a user site cannot hold it. For example, devices within an ISP break, fiber backbones break, and machines of an ISP maintain. This study uses probing routes and ISPs to diagnose correct location and occurrence of a broken point based on dual connections to two ISPs. It also avoids the Single Points of Failure (SPOF) problem comes from transparent mode of other systems. We adopt the spirit of multi-homing to satisfy necessaries of campus networks. This paper presents an architecture which can identify inbound and outbound flows, directs flows to be Fault Torrance, and improve efficiency while network have something wrong. Our implementation is a modularized system for reducing overload of managers; related modules provide functions of node testing, real-time report of network status, on-time notification while network breakdown, and auto-switch of inbound and outbound flows. We use open-sourced operation system and apply it on campus network.
    Relation: TANET 2006 台灣網際網路研討會論文集
    網路規劃建置與管理營運
    Data Type: conference
    Appears in Collections:[TANet Conference] Conference Papers

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