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    政大機構典藏 > 商學院 > 資訊管理學系 > 學位論文 >  Item 140.119/99550
    Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/99550


    Title: 負載平衡與服務品質要求之探討
    The Research of Load Balancing and Quality of Service:The Case of iPalace Channel
    Authors: 顏照銓
    Yen, Chao Chuan
    Contributors: 蔡瑞煌
    Tsaih, Rua Huan
    顏照銓
    Yen, Chao Chuan
    Keywords: 負載平衡
    服務品質要求
    視訊隨選串流
    以TCP為基礎的影音串流
    Load Balancing
    Quality of Service
    Video-on-demand Streaming
    TCP-based Video Streaming
    Date: 2016
    Issue Date: 2016-08-02 16:01:50 (UTC+8)
    Abstract: Video-on-demand streaming從90年代就在適當的科技下成為網際網路流量的龍頭,故宮教育頻道在技術上採用TCP-based video streaming,但Video streaming使得負載較一般的伺服器繁重。透過負載平衡來分散負載是可行的方式之一,但在TCP-based video streaming的技術下,還是可能遭遇服務品質之相關議題。而服務品質要求 (Quality of Service, QoS)是用來對使用者適配的服務品質表現,做具體之等級劃分的管理工具,本研究以故宮教育頻道 (iPalace Video Channel; iPalace)為標的,針對其DNS Load Balancing搭配Round Robin的運作背景,提出VM Side QoS及Client Side QoS,在VM Side設定Load rate作為指標、在Client Side則以撥放器的表現為主,設定Initial Buffering Time、Mean Rebuffering Duration以及Rebuffering Frequency共三個指標,並搭配流量的實驗操作,劃分Regular及Class情境來蒐集資料。
    在分析後發現,在環境較為一致的Class情境中,Mean Rebuffering Duration與Load Rate及Rebuffering Frequency與Load Rate具有低度正相關。未來,若能在環境及客戶端的變異性有較多的控制及掌握,則可讓資料在蒐集上更為正確,讓後續的分析及探討與實際狀況更為相符。
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    Description: 碩士
    國立政治大學
    資訊管理學系
    103356015
    Source URI: http://thesis.lib.nccu.edu.tw/record/#G0103356015
    Data Type: thesis
    Appears in Collections:[資訊管理學系] 學位論文

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