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研究生： 張舒怡
Shu-yi Chang
論文名稱： 車載隨意網路中IP位址暫存機制
An IP Address Buffering Scheme for VANETs
指導教授： 邱舉明
Ge-ming Chiu
口試委員: 陳裕賢
Yuh-shyan Chen
金台齡
Tai-ling Chin
鮑興國
Hsing-kuo Pao
學位類別： 碩士
Master
系所名稱： 電資學院 - 資訊工程系
Department of Computer Science and Information Engineering
論文出版年： 2008
畢業學年度： 96
語文別： 英文
論文頁數： 46
中文關鍵詞： 車用網路 、車載隨意網路 、DHCP 、IP位址 、網路破碎
外文關鍵詞： DHCP, IP address, network fragmentation
相關次數： 點閱：177  下載：2 
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    • 在車載隨意網路中,移動的車輛被視為節點. 車輛可以藉由基地台連接到網際網路,由於車輛的移動速度非常快,車輛能跟基地台連結的時間是非常短的. 車子跟基地台連結的大部分時間是花在車子經由DHCP向基地台拿到IP位址. 由於車載隨意網路中結點的移動性較高,導致拓樸快速改變和網路連結中斷. 為了解決這些問題,我們提出一個新的機制來降低從DHCP獲得IP位址的負載.
    我們的協定也考慮了網路破碎的問題. 我們也提供模擬結果來檢視我們機制的效率.

    In Vehicular Ad-Hoc Networks (VANETs), moving vehicles are considered as nodes in the network. Vehicles can connect to the Internet by accessing Basic Station (BS), because of their fast mobility, vehicles can only connect to a BS for a very limited amount of time.
    The time for a vehicle to obtain an IP address via Dynamic Host Configuration Protocol (DHCP) from BS is a main part of the connection time. On the other hand, the VANETs are high mobility patterns that cause frequently and fast topology changes and also frequently disconnection. To solve these problems, we propose a novel scheme to reduce overheads of acquiring an IP address via DHCP.
    The protocol also considers the network fragmentation problem that cause by the variation of traffic. We also provide simulation results that demonstrate the efficiency of our scheme.

    Abstract i Acknowledgments ii Table of Contents iii List of Figures iv List of Tables v Chapter 1 Introduction 1 1.1. Research Background 1 1.2. Thesis Objectives 4 1.3. Thesis Organization 5 Chapter 2 Related Work 6 Chapter 3 Network Model 11 Chapter 4 IP Address Buffering Scheme 15 4.1 Thrhold_IP_Buffering 17 4.2 Frag_IP_Buffering 23 Chapter 5 Performance Evaluations 34 5.1. Scenario Characteristics 34 5.2. Evaluation Metrics and Simulation Parameters 36 Chapter 6 Conclusions and Future Work 43 References 44

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    [12] A. K. Saha and D. B. Johnson. "Modeling Mobility for Vehicular Ad Hoc Networks". IEEE /ACM International Workshop on Vehicular Ad Hoc Networks (VANET 2004), Philadelphia, Pennsylvania, USA, pp. 91-92, October 1, 2004.
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