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姓名	林怡君(Yi-Chun Lin)  查詢紙本館藏	畢業系所	資訊工程學系
論文名稱	新一代無線網路支援DiffServ 並以服務品質為基礎的MPLS 流量工程管理機制 (QoS Support for DiffServ-Aware MPLS TrafficEngineering in the New Generation Wireless Network)
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摘要(中)	差異性服務(DiffServ) 與標籤交換網路(MPLS) 流量工程(TE)的整合性架構，在新一代無線中，提供了一個終端對終端的品質保證服務。不同種類的封包，在進入網路時會依照封包的特性、延遲容忍度、服務品質需求等，被區分及標記成不同的等級(priority)。之後，標籤交換網路的邊界路由器，會根據不同的等級的封包、及其所需的資源進流量工程管理，以達到提升服務、擴大網路效能的目的。在這篇論文中，我們設計了一個階層式系統架構：底層的接取網路及上層的核心網路。接取網路中的邊界路由器，負責處理行動用戶的移動性問題；核心網路中的邊界路由器，則致力於有效率地管理系統資源。一個新的連線需求，主要會包含兩部分：資料的等級、所需的頻寬。當系統負載過量時，較高等級的資料可以佔用原先被指定給低等級資料的頻寬，以滿足其較高的服務品質需求。此一架構是一個分散式的系統架構，具有良好的擴張性，並可藉由流量管理的方式，提供終端對終端服務品質的保證。實驗模擬環境及相關結果顯示，在我們的系統架構下，較高等級的資料可以獲得較好的保障，此流量管理機制，也大大地提升系統資源的使用率，創造較高的系統效能。
摘要(英)	The DiffServ-aware MPLS Traffic Engineering scheme offers an attractive way to ensure end-to-end QoS commitments for future mobile IP networks. Packets along the DiffServ network will be classified to different priority levels according to the traffic profiles. Afterwards, the Label Edge Router in the MPLS network will check the incoming packets, control the network resources, and perform the traffic engineering. This thesis proposes a two-layer hierarchical system with corresponding Edge Router Agents (ERAs). ERAs handle the localized mobility in the access network layer, and ERAs in the core network layer perform the Shortest Distance with Preemption Algorithm (SDPA) to deal with the resource management. The proposed scheme offers a scalable, multi-service solution with Quality of Service (QoS) guarantees for future IP wireless networks. The simulation results validate the better performance to higher-priority flows with higher throughput and lower transmission delay. The system utilization is maximized through the proposed TE-enabled network.
關鍵字(中)	★ 差異性服務 ★ 標籤 ★ 流量工程 ★ 移動性 ★ 標籤交換網路	關鍵字(英)	★ Traffic Engineering (TE) ★ Label ★ MPLS ★ DiffServ ★ mobility
論文目次	CHAPTER 1 INTRODUCTION ...................................1 1.1 BACKGROUNDS..............................................................1 1.2 CHALLENGES AND RELATED WORKS ............................................8 1.2.1 Traffic Engineering – traffic oriented ...............................8 1.2.2 Traffic Engineering – resource oriented ............................ 11 1.2.3 Routing Algorithm.....................................................12 1.2.4 MPLS mobility ........................................................13 1.3 CONTRIBUTIONS OF THIS THESIS ...........................................15 CHAPTER 2 THE PROPOSED SCHEMES........................................................17 2.1 SYSTEM ARCHITECTURE ....................................................17 2.2 MOBILITY MANAGEMENT.....................................................20 2.3 THE PRIORITY CONNECTION CONTROL.........................................24 2.4 SHORTEST DISTANCE WITH PREEMPTION ALGORITHM (SDPA).....................26 CHAPTER 3 SIMULATION EXPERIMENTS.....................................................31 3.1 SIMULATION ENVIRONMENT ..................................................31 3.2 SIMULATION RESULTS.......................................................35 3.2.1. Comparison of IP routing and MPLS fast switching ....................35 3.2.2. Mean Packet Delay...................................................39 3.2.3. Loss Ratio...........................................................42 3.2.4. Throughput.....................................................44 3.2.5. Mobility Management ................................................45 3.2.6. System Utilization .................................................47 CHAPTER 4 CONCLUSIONS AND FUTURE WORKS..........................................49 REFERENCES........................................................51
參考文獻	[1] G. Armitage, “Quality of Service of IP Networks”, Macmillan Technical Publishing, Technology Serries, 2000 [2] R. Braden, D. Clark, and S. Shenker, " Integrated Services in the Internet Architecture: an Overview ", IETF RFC 1633, June 1994 [3] R. Braden, L. Zhang, S. Berson, S. Herzog, and S. Jamin, "Resource ReServation Protocol (RSVP) - Version1 Functional Specification", IETF RFC 2205, Sept. 1997. [4] S.Blake, D. Black, M. Carlson, “An Architecture for Differentiated Services”, RFC 2475, Dec 1998. [5] Grossman, D., "New Terminology for Diffserv", IETF Internet Draft, March 2001 [6] S. Bakiras, and V.O.K. Li, “Quality of Service Support in Differentiated Service Packet Networks", ICC 2001 [7] Nichols et al., "Definition of Differentiated Services Per Domain Behaviors and Rules for their Specification", RFC3086. [8] E. Rosen, A. Viswanathan, “Multi-protocol Label Switching Architecture” IETF RFC 3031, January 2001 [9] Uyless Black, “MPLS and Label Switching Networks”, Prentice Hall Series in Advanced Communications Technology [10] B. Davie, and Y. Rekhter, “MPLS Technology and Applications ”, Morgan Kaufmann, San Francisco, CA, 2000 [11] P. Vaananen and R. Ravikanth, “Framework for Traffic Management in MPLS Networks“, IETF Internet Draft, March 1998. [12] X. Xiao, A. Hannan, B. Bailey, ”Traffic Engineering with MPLS in the Internet” IEEE Network, March/April 2000 [13] D. Awduche, J. Malcolm, J. Agogbua, M. O'Dell, J. McManus, ”Requirements for Traffic Engineering Over MPLS”, RFC 2702, September 1999 [14] D. Awduche, “MPLS and Traffic Engineering on IP networks“ IEEE Communications Magzine, December 1999 [15] Yakov Rekhter, Bruce Davie, Eric Rosen, George Swallow, Dino Farinacci and Dave Katz, “ Tag Switching Architecture Overview”, Invited Paper, Proceedings of IEEE, December 1997 [16] P. Doolan, B. Davie, D. Katz, Y. Rekhter, and E. Rosen, “Tag distribution protocol” Internet Engineering Task Force, Internet draft draft-doolan-tdp-spec-01.txt, May 1997. [17] Jain, R, et al. “Quality of Service using Traffic Engineering over MPLS: An Analysis”,Internet Draft, draft-bhani-mplste-anal-00.txt, March 1999 [18] A. Elwalid, C. Jin, S. Low, and I.Widjaja. “MATE:MPLS adaptive traffic engineering“ Proc. of IEEE INFOCOM 2001 [19] Le Faucheur et al. , “MPLS Support of Differetiated Services“,RFC 3270, May 2002 [20] F. Faucheur et al, “MPLS Support of Differentiated Services“,IETF Internet Draft, draft-ietf-mpls-diff-ext-08.txt, February 2001 [21] Tarek Saad, Tingzhou Yang, Dimitrios Makrakis, Voicu Groza , ”DiffServ-enabled Adaptive Traffic Engineering over MPLS”, Broadband Wireless and Internetworking Research laboratory, 2001 [22] M. Moh, B. Wei, and Jane Huijing Zhu, “Supporting differentiated services with per-class traffic engineering in MPLS”, ICCCN 2001 [23] F. Le Faucheur et al., “Requirement for Support of DiffServ-Aware MPLS Traffic Engineering“, IETF Internet Draft,June 2001 [24] N. Rouhana and E. Horlait, “Differentiated services and integrated services use of MPLS”, ISCC 2000 [25] J. A. Garay and I. S. Gopal, “Call Preemption in Communication Networks”, in Proceedings of IEEE INFOCOM'92, 1992, pp.1043~1050. [26] M. Peyravian, Ajay D. Kshemkalyani, “Connection Preemption:Issues, Algorithms, and a Simulation Study“, 1997 IEEE [27] J. C. de Oliveira, C. Scoglia, I. F. Akyildiz, and G. Uhl, “A New Preemption Policy for DiffServ-Aware Traffic Engineering to Minimize Rerouting”, INFOCOM 2002 [28] R. Guerin et al., “QoS Routing Mechanisms and OSPF Extensions”, draft-guerin-QoS-routing-ospf-03.txt, January 1998 [29] Bin Wang, Xu Su, C. L. Chen,“A New Bandwidth Guaranteed Routing Algorithm for MPLS Traffic Engineering“, ICC 2002 [30] Satoshi KAMEI and Takumi KIMURA, NTT Service Integration Laboratories “Evaluation of Routing Algorithms and Network Topologies for MPLS Traffic Engineering” GLOBECOM 2001 [31] C. Perkins, ed., “IP Mobility Support” IETF RFC 2002, Oct 1996. [32] Chiussi, F.A.; Khotimsky, D.A.; Krishnan, S.; “A network architecture for MPLS-based micro-mobility” WCNC2002 [33] 3GPP TS 23.107 v4.0.0, “QoS Concept and Architecture”, 2001 [34] Marc Greis, ”Tutorial for the Network Simulator NS”http://www.isi.edu/nsnam/ns/tutorial/index.html [35] Kevin Fall, Kannan Varadhan, UC Berkeley, LBL, USC/ISI, and Xerox PARC. ”The Network Simulator ns-2: Documentation” [36] G. Ahn, “MPLS Network Simulator”, http://www.raonet.com/introduction.shtml [37] S. Raghavan, “Simulation resources”, http://csgrad.cs.vt..edu/~sraghava/qos/ (current 29 Apr 2001).
指導教授	吳曉光(Hsiao-kuang Wu)	審核日期	2003-7-7
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