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研究生:吳艾虎
研究生(外文):Ai-Hu Wu
論文名稱:運用SCTP於PIM-SM群播環境之研究
論文名稱(外文):A Study on SCTP over PIM-SM Multicasting
指導教授:張林煌張林煌引用關係
指導教授(外文):Lin-Huang Chang
學位類別:碩士
校院名稱:朝陽科技大學
系所名稱:資訊管理系碩士班
學門:電算機學門
學類:電算機一般學類
論文種類:學術論文
論文出版年:2007
畢業學年度:95
語文別:中文
論文頁數:53
中文關鍵詞:特定來源多點傳輸服務品質多點傳輸串流控制傳輸通訊協定
外文關鍵詞:SSMMulticastSCTPQoS
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隨著資訊網路的進步,各式各樣的網路服務相應產生,其中以多媒體服務最受矚目,而使用者在使用這類服務時,最擔心的是影音不連續的問題,因此提供如何良好的服務品質(Quality of Service, QoS)變得非常重要;另外,服務提供者為了傳遞大量資料給使用者,會使用群播(Multicast)的方式來有效的傳遞資料。SCTP(Stream Control Transmission Protocol,SCTP)是新提出的傳輸層協定,在多媒體研究有不少相關研究,但皆以unicast的方式傳遞資料,這是非常沒有效率的傳輸方式,因此本研究希望將SCTP使用於Multicast上,讓其在多媒體傳輸上更有效率,減少服務提供者的負擔。但當網路擁塞時,仍然會對多媒體服務產生影響,因此本研究提出一使用者端的路徑切換機制,讓使用者可以當網路狀況不佳時,切換至其他較良好的路徑上接收資料,藉此提升服務品質。由於Multicast的協定眾多,為了考慮實際可行性,因此採用特定來源多點傳輸(Source-specific multicast,SSM)作為本研究中使用的協定。
With the progress of information technology, various internet service applications are produced nowadays. The multimedia service becomes a focus on popular application. The problems of real-time multimedia service for users are the delays of visual and audio, therefore, it becomes a critical issue to provide Quality of Service (QoS). Mechanism of multicast is used in order to make the transmissions of the multimedia data effectively. Stream Control Transmission (SCTP) is a new Transport layer protocol. It used on multimedia for unicast, that isn’t efficient for transmitting data. Our research will use SCTP over multicast, that provide better effective for data transmission. The network is always changeful. We propose a path switching mechanism, that provides better QoS for multicast receivers. In our research, the multicast will use Source-specific Multicast(SSM). It is close to the ordinary internet environment.
中文摘要 I
Abstract II
誌謝 III
目錄 IV
表目錄 VI
圖目錄 VII
第一章 緒論 1
1.1 研究背景 1
1.2 研究動機與目的 3
1.3 論文架構 4
第二章 文獻探討 6
2.1 SCTP相關研究 6
2.2 Multicast 8
2.3 相關標準 13
2.3.1 PIM-SM 13
2.3.2 SCTP 18
2.3.3 PR-SCTP 23
第三章 系統設計 26
3.1 SCTP用於multicast可能發生的問題 26
3.2 Single path multicast 29
3.3 Multi-path multicast 34
3.4小結 39
第四章 效能分析與模擬 40
4.1 模擬環境 40
4.2 效能分析 41
4.2.1 加入群播延遲時間 42
4.2.2 單路徑資料傳輸 42
4.2.3 路徑切換 45
第五章 結論與未來方向 48
5.1 結論 48
5.2未來研究方向 49
參考文獻 51
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