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    Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/32625


    Title: 全IP網路中以預算為基礎之端對端服務品質管理
    Budget-Based End-to-End QoS Management for All-IP Networks
    Authors: 陳建同
    Chien-Tung Chen
    Contributors: 連耀南
    Yao-Nan Lien
    陳建同
    Chien-Tung Chen
    Keywords: 服務品質保證
    全IP網路
    路由
    QoS
    All-IP Network
    Routing
    Date: 2003
    Issue Date: 2009-09-17 13:53:00 (UTC+8)
    Abstract: 面對通訊與資訊科技的大幅進步、網際網路的蓬勃發展、以及電信自由化帶來的激烈競爭，通訊網路正在進行一個巨大的變革，企圖將原有Circuit Switching 與 Packet Switching 網路整合成一個單一整合型網路－All-IP網路以支援所有的應用服務。All-IP網路受限於封包交換網路原有的特性，有服務品質問題（QoS）有待克服，因此有必要在All-IP網路上提供服務品質管理機制以實現整合型網路的目標。而要提供適當的QoS 管理，其成功之關鍵主要在於是否能提供一個簡單易行之架構。本論文先提出BBQ(Budget-Based QoS)採用以預算為基礎之服務品質管理，以簡化管理、追求效率，不增加管理複雜度為原則。BBQ提供一個高適用性的管理架構和相關的管理工具，可適用於不同的下層網路架構和不同營運目標的網管政策。
    本論文為提出在BBQ管理系統中之端對端服務品質解決方案。透過承載服務的概念，端對端之服務由接取網路和骨幹網路之承載服務提供支援。本論文依據分層負責的精神提出一系列的資源規劃及路徑建構方式，提高網路資源運用效率，並可快速的以即時方式建構具服務品質保證的端對端路徑給使用者。骨幹網路由許多核心網路相連而成，各個核心網路各自獨立規劃內部路徑而端對端的路徑規劃只需選擇所欲通過的核心網路即可，計算量可大幅降低，因此可適用即時的路徑建構。路徑規劃之研究重心為如何挑選最佳核心網路路徑，以規劃具服務品質之端對端路徑並可達到資源之最有效利用。
    The advance in communication and information technology and impact of telecommunication liberalization cause a revolution in telecommunication world. It attempt to merge circuit-switching and packet-switching network into one standalone perform. All-IP is one of those candidates. But All-IP also inherit the characteristics of packet-switching network, the problem of transmission quality. So, we need some management system of quality on All-IP network to achieve the ambition of converged network. In this thesis, we propose BBQ management system. BBQ offers a highly adaptive management architecture and some management tools for operators. Those tools can be used in different underlying network layer and can tune network by different network policy.
    We propose an End-to-End QoS solution in BBQ management system. By the concept of bearer services, we separate the End-to-End service into Backbone and Stub Network bearer services. According to the hierarchical management, we propose an approach for resource and path planning in order to enhance network efficiency and provide End-to-End path with QoS in real time. Because Backbone Network is connected by Core Networks and each Core Network plans its internal path independently, End-to-End path planning is to choose Core Networks to pass through. This scheme could reduce the enormous computation and fit for real time path setup. The key point of path planning is how to choose the better Core Network path to compose End-to-End path with QoS and reach efficient resource utilization.
    Reference: Reference
    【1】 3rd Generation Partnership Project, ""Technical Specification Group Services and Systems Aspects; Architecture for an All IP network``, 3GPP TR 23.922 version 1.0.0., October 1999.
    【2】 S. Floyd, and V. Jacobson, ""Random Early Detection Gateways for Congestion Avoidance``, IEEE/ACM Transactions on Networking, vol. 1, no. 4, August 1993, pp. 397-413.
    【3】 A. Demers, S. Keshav and S. Shenker, ""Design and Analysis of a Fair Queueing Algorithm``, Proc. SIGCOMM`89, ACM, September 1989, pp. 1-12.
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    【7】 E. Rosen and Y. Rekhter, ""BGP/MPLS VPN``, RFC 2547, March 1999.
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    【15】 K. Chan, R. Sahita, S. Hahn and K. McCloghrie, ""Differentiated Services Quality of Service Policy Information Base ``, RFC 3317, March 2003.
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    Description: 碩士
    國立政治大學
    資訊科學學系
    90753015
    92
    Source URI: http://thesis.lib.nccu.edu.tw/record/#G0090753015
    Data Type: thesis
    Appears in Collections:[Department of Computer Science ] Theses

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