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研究生:何思嫻
研究生(外文):Szu-hsien Ho
論文名稱:基於SCTP之行動車載網路無縫式換手:以語音傳輸為例之研究
論文名稱(外文):SCTP-based Seamless Handoff over Mobile Vehicular Networks:A Case Study of VoIP Transmission
指導教授:林俊宏林俊宏引用關係
指導教授(外文):Chun-Hung Lin
學位類別:碩士
校院名稱:國立中山大學
系所名稱:資訊工程學系研究所
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:2009
畢業學年度:97
語文別:中文
論文頁數:89
中文關鍵詞:第三方呼叫控制嵌入式網路電話閘道器
外文關鍵詞:SIPSCTPEmbedded VoIP Gateway3PCCREFERHandoff
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道路行車感測網路應用中,Server Push 的多媒體服務廣告,在這個資訊發達的時代,已成為商業媒體行銷不可或缺的資訊管道之一。Server Push 的應用,例如:電信業者提供的Push Mail 服務,已經成為近來行動郵件最 Hot 的焦點。本論文將設計研究行動車載網路,讓收到廣告者,能與廣告中之服務提供者有互動交談詢問之機制,然而在移動中,產生的換手(Handoff)問題,容易造成通話品質的降低,所以無縫式換手是我們必須要探討的一個很重要的問題。 為此,在這篇論文中將以Linux Kernel SCTP 函式庫為基礎的傳輸層 (Layer 4)通訊協定作為解決方案,SCTP保留TCP/IP之優點並增加新的支援,其一重要特性便是當使用者擁有多個IP位址,在某條傳輸路徑中斷時,立即切換至其他備用IP位址,讓使用者換手過程中,不會易感受到中斷的現象。最後,將以改良SCTP 通訊協定,讓網路連線有更快速的反應時間,有助於需要快速反應時間的應用。
With the rapid growth of communication, applications in traffic sensor network such as the multimedia service Server Push, are indispensable to business advertising. The applications of server push, for example, the service Push Mail provided by ISP (Internet Service Provider), became much more hot and popular. This paper aims to design a mobile vehicular network to let the people who received the advertisement communicate with the providers of the service. Nevertheless, the handoff problem that arises when traveling brings down the quality of communication. Therefore, seamless handoff becomes a very important issue for us to research. This thesis uses the new SCTP (Stream Control Transmission Protocol) to solve the problem. SCTP not only keeps the advantages of TCP/IP but also provides new support. Allowing the user to own several IP addresses at the same time is one of its important characteristics, which allows you to switch to any other available IP immediately if the transmission is interruptted. With this characteristic, the user barely notices any interruption in the process of handoff. Finally, we propose a new design for SCTP to achieve a response time, and can be used in applications that require a fast response time.
致謝 I
中文摘要 II
ABSTRACT III
目錄 IV
圖目錄 VI
第1章 序論 - 1 -
1.1 研究背景 - 1 -
1.2 研究動機與目的 - 2 -
1.3 章節介紹 - 2 -
第2章 網路電話介紹 - 4 -
2.1 VOIP介紹 - 4 -
2.2 SIP介紹 - 5 -
2.3 3PCC介紹 - 8 -
2.3.1 3PCC概述 - 8 -
2.3.2 3PCC應用 - 9 -
2.3.3 3PCC架構 - 10 -
2.4 REFER方法 - 11 -
2.4.1 REFER簡介 - 11 -
2.4.2 Refer-To標頭欄位 - 12 -
2.5 行動網路HANDOFF相關研究 - 13 -
2.5.1 Layer 2 - 13 -
2.5.2 Layer 3 - 14 -
2.5.3 Layer 4 - 16 -
2.5.4 SCTP Mobility 研究情況 - 24 -
第3章 開發環境介紹 - 25 -
3.1 VOIP GATEWAY介紹 - 25 -
3.2 硬體架構介紹 - 25 -
3.3 軟體架構介紹 - 27 -
3.4 SIP UA軟體運作流程 - 29 -
第4章 實驗設計與分析 - 32 -
4.1 實驗環境 - 32 -
4.2 實驗流程和設計 - 32 -
4.2.1 實驗設計A - 32 -
4.2.2 實驗設計B - 33 -
4.2.3 實驗設計C - 34 -
4.2.4 實驗設計D - 34 -
4.2.5 實驗設計E - 35 -
4.3 實驗結果和分析 - 35 -
4.3.1 實驗設計A - 35 -
4.3.2 實驗設計B - 40 -
4.3.3 實驗設計C - 55 -
4.3.4 實驗設計D - 60 -
4.3.5 實驗設計E - 66 -
第5章 結論 - 75 -
參考文獻 - 76 -
[1] J. Rosenberg, H. Schulzrinne, G. Camarillo, A. Johnston, J. Peterson, R. Sparks, M. Handley, E. Schooler, “SIP: Session Initiation Protocol”, RFC-3261, June 2002.
[2]J. Rosenberg, H. Schulzrinne, G. Camarillo, J. Peterson, “Best Current Practices for Third Party Call Control (3pcc) in the Session Initiation Protocol (SIP)”, RFC-3725, April 2004.
[3]M. Handley, V. Jacobson, “SDP: Session Description Protocol”, RFC-2327, April 1998.
[4]J. Rosenberg, H. Schulzrinne, “An Offer/Answer Model with the Session Description Protocol (SDP)”, RFC-3264, June 2002.
[5] G. Camarillo, P. Kyzivat, “Update to the Session Initiation Protocol (SIP) Preconditions Framework”, RFC-4032, March 2005.
[6]J. Rosenberg, H. Schulzrinne, “Reliability of Provisional Responses in the Session Initiation Protocol (SIP)”, RFC-3262, June 2002.
[7]Matthew Mintz-Habib, Anshuman Rawat, Henning Schulzrinne, and Xiaotao Wu, “A VoIP Emergency Services Architecture and Prototype”, in IEEE International Conference on Computer Communications and Networks (ICCCN 2005), San Diego, October 2005.
[8]R. Sparks, “The Session Initiation Protocol (SIP) Refer Method”, RFC-3515, April 2003.
[9] R.Stewart, Q.Xie, K.Morneault, C.Sharp,H.Schwarzbauer, T.Taylor, I.Rytina, M.Kalla, L.Zhang, and V.Paxson, “Stream control transmission protocol“,RFC-2960,October 2000.
[10] Li Ma, Fei Yu, Victor Leung, Tejinder Randhawa, “A New Method to to Support UTMS/WLAN Vertical Handover Using SCTP”, IEEE Wireless Communications, vol. 11, no. 4, pp. 44-51, August 2004.
[11] D. Maltz and P. Bhagwat, “MSOCKS: An architecture for transport layer mobility”, in Proc. IEEE INFOCOM, April 1998.
[12] P-S. Chou and S-J. Kao, “Hierarchical SIP-based Mobility Management for WiMAX Networks”, 2008 Conference on Information Technology and Applications in Outlying Islands.
[13] C. Perkins, Ed., “IP Mobility Support for IPv4,” Internet Document RFC 3220,January 2002.
[14] “ADM-5120 Data Sheet Rev. 1.1”, Infineon Technologies., March 2005.
[15] “VINETIC-2CPE System Description, v1.1”, Infineon Technologies. March 2006.
[16] “VINETIC-2CPE Device Driver and API Description, v2.1”, Infineon Technologies. Jan. 2006.
[17]“Telephony Application Programming Interface for Infineon Voice Codec Devices”, Infineon Technologies.
[18]H. Schulzrinne, S. Casner, R. Frederick, and V. Jacobson, “RTP: A Transport Protocol for Real-Time Applications”, RFC-3550, July 2003.
[19]Daniel P. Bovet, Marco Cesati, “Understanding the Linux Kernel, 3/e”, O’Relly, November 2005.
[20] W. Richard Stevens, Bill Fenner, Andrew M. Rudoff, “Unix Network Programming: The Sockets Networking API, Vol. 1, 3/e”, Addision Weslsy. 2004.
[21] 蔣承翰, “SCTP上的延遲取向無縫式轉換之研究”, 國立交通大學資訊工程學系, 碩士論文, June 2007.
[22]A Network Protocol Analyzer: Wireshark (http://www.wireshark.org/)
[23] Behrouz A. Forouzan, Sophia Chung Fegan, “TCP/IP Protocol Suite, 3/e” , February 2005.
[24] Riegel, M. and Tuexen M., "Mobile SCTP",draft-riegel-tuexen-mobile-sctp-05, July 2005.
[25] 黃鼎鈞, “在All-IP異質網路環境下可與TCP互通之SCTP交遞平台之設計與實作”, 國立清華大學資訊工程所,碩士論文, June 2006.
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