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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/8094

    Title: 預先註冊之快速換手階層化行動式IPv6研究;A Study of Anticipatory Registration and Fast Handovers for Hierarchical Mobile IPv6
    Authors: 高志名;Chih-Ming Kao
    Contributors: 通訊工程研究所
    Keywords: 階層化行動式IPv6;快速換手行動式IPv6;行動式IPv6;mobile IPv6;fast handovers;anticipatory registration;FMIPv6;HMIPv6
    Date: 2005-07-06
    Issue Date: 2009-09-22 11:17:57 (UTC+8)
    Publisher: 國立中央大學圖書館
    Abstract: 本文為在行動網路上之預先註冊之快速換手階層化行動式IPv6研究,行動式IPv6可以整合快速換手行動式IPv6及階層化行動式IPv6來分別得到這兩種方式的好處,快速換手行動式IPv6的好處為讓行動節點換手時擁有較低的換手延遲,而階層化行動式IPv6則是可以透過使用行動錨點來減少換手控制訊號的個數,但是快速行動式IPv6會產生TCP序號錯亂的問題而有待解決。 本文描述預先註冊之快速換手階層化行動式IPv6如何去調整在階層化行動式IPv6上之快速換手行動式IPv6的控制訊號流程及克服快速行動式IPv6所產生TCP序號錯亂的問題。預先註冊之快速換手階層化行動式IPv6使用快速區域連結更新來同時達成預先註冊及快速換手的效果。而本文模擬結果顯示本文提出的方法可以確實改善TCP序號錯亂的問題、減少換手延遲和控制訊號在行動網路上的負荷。 This paper addresses the scheme of Anticipatory Registration and Fast Handovers for Hierarchical Mobile IPv6 (AFHMIPv6) in the mobile networks. The performance of MIPv6 mobility could be further enhanced by combining both of FMIPv6 and HMIPv6. The advantage of combining FMIPv6 and HMIPv6 is that the overall handover latency of traditional FMIPv6 can be more reduced through the use of Mobile Anchor Points (MAP) in HMIPv6. Furthermore, a great amount of signaling among MN, CN and HA can also be reduced. However, there remains the problem of sequence disruption (i.e., out of sequence) in TCP streams that needs to be solved. The proposed AFHMIPv6 scheme overcomes the above problem by adjusting the signaling flows of FMIPv6 for HMIPv6. In AFHMIPv6, the fast local binding update message is applied to achieve anticipatory registration and fast handovers simultaneously. Our simulation results show that the proposed scheme can effectively improve the out of sequence problem, reduce handover latency and signaling overhead in mobile IPv6 network.
    Appears in Collections:[通訊工程研究所] 博碩士論文

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