臺灣博碩士論文加值系統

　　本篇論文主要目的在於利用數學理論找出資料傳送最好的效率，效能模組包含了：即時性資料傳送模組、非即時性資料傳送模組、Local Handoff分析模組和Global Handoff分析模組，分別對於四種傳送路徑架構建立不同的模組，並討論傳送資料是否經過行動管理電腦的影響，本篇論文主要利用M/M/1及M/M/1/K Queueing Network建立系統的分析模組，M/M/1/K Queueing Network是建立資料傳送模組的主要方法，而M/M/1 Queueing Network是建立Handoff 分析模組的主要方法，當Global Handoff發生時，在HNIC裡面會處理三種封包，從IG發送上來要求Global Handoff的訊息、跟Home HNIC發送的Location Update的訊息和Set-path的訊息，因此將這三種訊息分成三個不同的優先權處理，這將會顯示在模擬模組的Queueing Network上。
　　本篇論文主要評量的單位為延遲時間、流量增加率和Queue長度，這些都是在網路上最常用的評量單位，本篇論文的貢獻主要能在整合網路環境中，找出最適合網路使用者的傳送架構。

　　This paper’s main purpose is to find the best efficiency of the date transference with the mathematical theory. The performance model is included : real-time data transference model、non real-time data transference model、Local Handoff analysis model and Global Handoff analysis model. Respectively, we set up the different models for four transference path architecture, and discuss the influences that if the transferring data is passed through the computer for mobile management. This paper is used the M/M/1 and the M/M/1/K Queueing Network theory to set up our analysis models. The M/M/1/K Queueing Network theory is the main method of setting up data transference models, and the M/M/1 Queueing Network theory is the main method of setting up Handoff analysis models. When the Global Handoff is happened, the HNIC will be handled tree packet messages. Which are included the message from the IG for requesting this Global Handoff、the message which is sent to Home HNIC for Location Update and the message for Set-path. The three messages are separated into three priorities. It is shown that the Queueing Network model is compatible with the simulation model.
　　This paper’s main units of evaluation are delay time、flow raise rate and Queue length. These all are the popular units. Our contribution is that finding the best suited transference path architecture for the network user in the integrated heterogeneous networks system.

中文摘要....................................................... i
英文摘要....................................................... ii
致謝.......................................................... iii
目錄.......................................................... I
圖目錄........................................................ III
1.緒論........................................................1
2 相關研究..................................................... 3
　2.1 Mobile IP .............................................. 3
　　　2.1.1 Mobile IP 運作模式.................................. 4
　　　2.1.2 Route Optimization 機制............................ 6
　　　2.1.3 Hierarchical Foreign Agent Management 機制......... 7
　2.2 HAWAII.................................................. 9
　2.3 Queueing Network ....................................... 12
　　　2.3.1 M/M/1 Queueing Network ........................... 12
　　　2.3.2 M/M/1/K Queueing Network .......................... 14
3. 異質網路之整合環境運作模式.................................... 16
　3.1 實體架構................................................ 16
　3.2 邏輯架構................................................ 20
　3.3 運作模式................................................ 22
　　　3.3.1 資料傳送........................................... 22
　　　3.3.2 Handoff .......................................... 26
　　　3.3.3 傳送資料種類特徵..................................... 33
4. 效能評估.................................................... 34
　4.1 資料傳送分析模組........................................... 34
　　　4.1.1 即時性資料.......................................... 34
　　　4.1.2 非即時性資料傳送分析模組............................... 41
　4.2 Handoff 效能分析.......................................... 50
　　　4.2.1 Local Handoff ..................................... 50
　　　4.2.2 Global Handoff ..................................... 53
5. 數值結果及分析................................................ 59
　5.1 即時性架構數值結果分析....................................... 59
　　　5.1.1 Core Network 延遲時間................................ 59
　　　5.1.2 Gateway 對延遲時間的影響.............................. 61
　5.2 非即時性架構數值結果分析..................................... 62
　　　5.2.1 Bit Error Rate 對throughput 的影響................... 63
　　　5.3.2 Bit Error Rate 對延遲時間的影響........................ 66
　5.3 Handoff 數值結果分析....................................... 69
　　　5.3.1 Local Handoff 數值結果分析............................ 69
　　　5.3.2 Global Handoff 數值結果分析........................... 73
　5.4 路徑最佳化................................................. 77
　　　5.4.1 發送端路徑最佳化....................................... 77
　　　5.4.2 接收端路徑最佳化....................................... 80
　　　5.4.3 Summary............................................. 81
Reference ...................................................... 84

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