IPv6環境下移動網路之連結更新程序及其效能之研究

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姓名

施智明(Chih-Ming Shih) 查詢紙本館藏

畢業系所

通訊工程學系

論文名稱

IPv6環境下移動網路之連結更新程序及其效能之研究
(Study of Binding Update Procedure and Its Performance of Mobile Network in IPv6 Environment)

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摘要(中)

由於IPv4位址之缺乏，IPv6快速地發展在許多應用上，對於無線網路服務之應用，行動裝置需要透過行動式IPv6協定所提議的更新連結程序來接取上Internet。隨著越來越多的無線網路應用，許多有關在各網路間漫遊之效能與安全性等問題一一浮現，IETF於移動式網路協定(NEMO)提出解決在不同網路之間漫遊的問題，然而，並未詳細討論有關在移動式網路環境上之效能與安全性問題。我們將利用行動式IPv6對於移動式節點的路徑最佳化(Route Optimization)與更新連結程序(Binding Update Procedure)機制，來解決在移動式網路中效能與安全性的問題。移動式網路可適用於一列搭載許多攜帶無線裝置的乘客之火車，當每個行動裝置為一個行動式節點時，火車可以視為一個移動式網路。如果將更新連結程序運用於移動式網路，更新連結訊息量超越於單純使用在行動式節點的情況。
本論文中，利用多點傳播(Multicast)減少更新連結訊息量以增進更新連結之效率，並藉由模擬環境比較經由行動式路由器之更新連結訊息量、相對應節點資料傳送路徑之狀態及直接路由之比率，分析單一傳播與多點傳播之更新連結方式。此外，我們的研究也考慮到更新快取之存活時間所造成的影響。

摘要(英)

IPv6 has been widely deployed to many applications, especially for wireless services, owing the lack of IPv4 address. The mobile devices need to be connected to the Internet through the binding update procedures proposed in the Mobile IPv6 protocol (rfc3775). With more and more wireless applications, many problems appear such as efficiency, security and the movement among the different networks. IETF proposes a method (currently it is still a draft) “Network Mobility, NEMO” to solve the problem of moving among different networks. However, IETF has not clearly discussed the efficiency and the security problems in mobile network environment. We apply the route optimization method and binding update procedure proposed in the Mobile IPv6 for mobile node to solve the efficiency and security problems in mobile network environment. A mobile network can be applied in a fast moving train with many passengers carrying wireless devices. In the condition, the train is regarded as a mobile network while each mobile device is a mobile node with this mobile network. When the binding update procedure is applied to a mobile network, the amount of binding update message will be much more than which of a mobile node.
In this thesis, we improve the efficiency of binding update by multicast to reduce the amount of binding update message. We analyze the unicast and multicast binding method by comparing the binding message cost of the mobile router, the states of correspondent node transmission path and the ratio of the direct route based in our simulation environment. The impact of the life time used for binding cache is also considered in our study.

關鍵字(中)

★ 更新連結程序
★ 路徑最佳化
★ 移動式網路

關鍵字(英)

★ Network Mobility
★ Binding Update Procedure
★ Route Optimization

論文目次

第一章緒論 1
1.1 前言 1
1.2 研究動機 2
1.3 論文架構 3
第二章相關研究背景 4
2.1. 行動式IP 4
2.2 行動式 IPv6 6
2.2.1 簡介 6
2.2.2 運作模式 8
2.3 移動式網路 12
2.3.1 移動式網路簡介 12
2.3.2 移動式網路使用行動式IPv6 13
2.3.3 行動式網路使用行動式IPv6的訊息格式 14
2.3.4 移動式網路的基本範例 16
2.4 移動式網路之路徑最佳化 18
2.5 多點傳播(Multicast) 20
2.6 相關研究探討 22
第三章移動式網路更新連結之方法 27
3.1更新連結的方法 27
3.2 多點傳播方式之連結更新 33
3.3 更新連結處理程序之評估 35
第四章模擬結果與討論 38
4.1 模擬架構 38
4.1.1 模擬參數定義 39
4.1.2 各更新連結之延遲時間 40
4.1.3 模擬方案 41
4.2 模擬結果與分析 42
4.2.1 Case1與Case2的模擬結果 42
4.2.2 Case 3與Case 4的模擬結果 49
4.2.3 Case 5與Case 6的模擬結果 56
第五章結論與未來研究 61
參考文獻 63

參考文獻

[1] Postel, J., “Internet Protocol - DARPA Internet Program Protocol Specification,” STD 5, RFC 791, DARPA, September 1981.
[2] The Internet Engineering Task Force, http://www.ietf.org/
[3] S. Deering, R. Hinden “Internet Protocol, Version 6 (IPv6) Specification,” RFC 2460, December 1998.
[4] Hong-Yon Lach, Christophe Janneteau, and Alexandru Petrescu, “Network Mobility in Beyond-3G Systems, ”IEEE Communications Magazine, July 2003.
[5] Thierry Ernst, Keisuke Uehara, Koshiro Mitsuya, “Network mobility from the InternetCAR perspective,” IEEE AINA 2003.
[6] C. Perkins, “IP Mobility Support,” RFC 2002, October 1996.
[7] C. Perkins, “IP Mobility Support for IPv4,” RFC 3344, Aug. 2002.
[8] D. Johnson, C. Perkins, J. Arkko, “Mobility Support in IPv6,” RFC 3775, June , 2004.
[9] www.ipv6.org.tw
[10] S. Hagen, “IPv6 Essentials,” O’REILLY ,2002
[11] S. Kent, R. Atkinson, “Security Architecture for the Internet Protocol,” RFC2401, November 1998.
[12] S. Kent, R. Atkinson, “IP Authentication Header,” RFC2402, November 1998.
[13] S. Kent, R. Atkinson, “IP Encapsulating Security Payload (ESP),” RFC2406, November 1998.
[14] P. Nikander, J. Arkko, T. Aura, G. Montenegro, E. Nordmark, “Mobile IP version 6 Route Optimization Security Design Background,” IETF Internet Draft, draft-ietf-mip6-ro-sec-00, work in progress, April 4, 2004.
[15] V. Devarapalli, R. Wakikawa, A. Petrescu, P. Thubert, “Network Mobility (NEMO) Basic Support Protocol, ”IETF Internet Draft, draft-ietf-nemo-
basic-support-03.txt, work in progress, June 2004.
[16] Thierry Ernst, “Network Mobility Support Goals and Requirements,” IETF Internet Draft, draft-ietf-nemo-requirements-02.txt, work in progress, February 2004.
[17] D. Waitzman, C. Partridge, S. Deering, “Distance Vector Multicast Routing Protocol,” RFC 1075, November 1988.
[18] J. Moy, “MOSPF: Analysis and Experience, ” RFC 1585, March 1994.
[19] Bill Fenner , “Protocol Independent Multicast - Sparse Mode (PIM-SM):Protocol Specification (Revised), ” IETF Internet Draft, draft-ietf-pim-sm-v2-new-09.txt, work in progress, February 2004.
[20] Andrew Adams, “Protocol Independent Multicast - Dense Mode (PIM-DM):Protocol Specification (Revised) , ” IETF Internet Draft, draft-ietf-pim-dm-new-v2-04.txt, work in progress, September 2003.
[21] A. Ballardie, “Core Based Trees (CBT version 2) Multicast Routing Protocol Specification, ” RFC 2189, September 1997.
[22] Yasushi TAKAGI, Hiroyuki OHNISHI, keisuke SAKITANI,“Route Optimization Methods for Network Mobility with Mobile IPv6,”IEICE TRANS. COMMUN., VOL.E87-B.NO3 ,March 2004.
[23] Takeru INOUE, Noriyuki TAKAHASHI, and Toshiaki MIYAZAKI, “Hierarchical Location Management Scheme Based on Collaboration of Mobile Nodes,”IEICE TRANS. COMMUN., VOL.E87-B.NO3 ,March 2004.
[24] J. Arkko, V. Devarapalli, F. Dupont, “Using IPsec to Protect Mobile IPv6 Signaling between Mobile Nodes and Home Agents,” RFC 3776, June , 2004.
[25] TAHI Project, http://www.tahi.org/mipv6/index.html

指導教授

陳彥文(Yen-Wen Chen)

審核日期

2004-7-2

推文