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題名 | 預先認證平臺上防止封包遺失之強化機制=An Enhanced Media-Independent Pre-Authentication Framework for Preventing Packet Loss |
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作者姓名(中文) | 楊舜能; 江為國; 葉倫豪; | 書刊名 | 電腦與通訊 |
卷期 | 130 2009.12[民98.12] |
頁次 | 頁38-45 |
專輯 | NGN通訊系統軟體技術專題 |
分類號 | 448.6 |
關鍵詞 | 換手; 預先認證; 隧道; 計時器; 媒體無關之預先認證平臺; 行動節點; 行動節點無線通訊; 功率放大器; Handover; Pre-authentication; Tunnel; Timer; Media-independent pre-authentication; MPA; Mobile node; MN; Wireless communication; Power amplifier; |
語文 | 中文(Chinese) |
中文摘要 | 媒體無關之預先認證平台(Media-independent Pre-Authentication;MPA)主要是應用在行動節點(mobile node;MN)準備換手(handover)時,先進行網路第三層的認證(authentication),並完成與通訊對方(corresponding node;CN)的聯結更新(binding update),之後再依網路訊號狀況執行第二層換手。但是,如果第三層binding update還未完成,卻因訊號急遽衰減必須進行第二層換手,就會造成傳輸封包的遺失。在本論文中,我們提出一個強化MPA換手執行(handover execution)機制的運作平台eMPA (enhanced MPA),可避免封包傳送遺失,並且減少封包遞送所產生的延遲。 |
英文摘要 | Media-Independent Pre-Authentication (MPA) is used when a mobile node (the MN) gets ready to perform a handover. It will execute IP layer authentication, complete the biding update with corresponding node, and then perform a handover at the link layer according to the network signal strength. However, the packets transmitted to the MN may be lost if a link layer handover occurs due to the link going down before the MN completes the binding update. In this paper, we design a framework called enhanced MPA (eMPA), it can prevent packet loss during the handover, and reduce packet transmission delay. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。