| 研究生: |
陳朝燦 Chao-Tsan Chen |
|---|---|
| 論文名稱: |
階層式Mobile IPv6架構下的Mobility-based之允入控制 |
| 指導教授: |
吳中實
Jung-Shyr Wu |
| 口試委員: | |
| 學位類別: |
碩士 Master |
| 系所名稱: |
資訊電機學院 - 通訊工程學系 Department of Communication Engineering |
| 畢業學年度: | 91 |
| 語文別: | 中文 |
| 論文頁數: | 102 |
| 中文關鍵詞: | 階層式mobile ipv6 、允入控制 |
| 外文關鍵詞: | CAC, hmipv6 |
| 相關次數: | 點閱:9 下載:0 |
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隨著使用者的遽增與服務品質需求的提高,以目前無線技術而言,要達到使用者的需求仍很勉強,所以如何善用無線資源,來分配較高的權限給正在交遞的使用者(handoff call)降低其dropping probability來達到服務持續性的品質是很重要的。透過Mobile IP的行動管理,使用者移動時所產生的資訊可用來辨識call的屬性,並結合IPv6的特性及其延伸構想來改善效能將是值得探討的議題。異於Mobile IPv6,階層式Mobile IPv6主要新增的元件,MAP (Mobility Anchor Point),用來管理MN的局部移動。故若藉著局部有線端充足的資源下之低延遲性來運作行動管理,並將MAP管理MN時所得到的資料以作為允入控制之參數,將可對所造成的影響及相對tradeoff作效能分析。當服務隨時隨地都在進行時,行動用戶所要求的會趨向服務的持續性,在移動行為不導致服務中斷的情形下,進而才有探討其品質的餘地,所以允入控制是個非常關鍵的機制。故本文所探討的範疇即在階層式Mobile IPv6環境下,研究系統如何運作允入控制,及提出以mobility-based資訊為參數的允入控制,讓使用者在交遞時 (handoff call)擁有一定的持續性,而連線時 (new call) 亦可減少被拒絕的情況,並探討其所造成的衝擊及評估整體系統效能。
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