Performance Evaluation of an Alternative IP Lookup Scheme for Implementing High-Speed Routers(Networks)

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概要

• 論文の詳細を見る

• The most important function of a router is to perform IP lookup that determines the output ports of incoming IP packets by their destination addresses. Hence, IP lookup is one of the main issues in implementing high-speed routers. The IP lookup algorithm implemented in IQ2200 Chipset with two-level table architecture can efficiently use memory. However, it wastes processor resource for full re-construction of the forwarding tables whenever every route insertion/deletion is requested. In order to improve the utilization of processor resource, we propose an IP lookup algorithm with three-level table architecture for high-speed routers. We evaluate the performance of the proposed algorithm in terms of the memory size required for storing lookup information and the number of memory access in constructing forwarding tables. Being compared with the IQ2200 scheme, the proposed scheme can reduce the number of memory access up to 99% even though it needs about 16% more memory.

• 社団法人電子情報通信学会の論文
• 2004-12-01

著者

• Kim J

  Department Of Information Electronics Engineering Ewha Womans University

• CHUNG Min

  School of Information Communication Engineering, Sungkyunkwan University

• PARK Jaehyung

  Department of Electronics, Computer, and Information Engineering, Chonnam National University

• KIM Jeong

  Department of Information Electronics Engineering, Ewha Womans University

• AHN Byung

  Network Laboratory, Electronics and Telecommunications Research Institute

• Chung Min

  Department Of Electronics Engineering Korea Advance Intitute Of Science & Technology

• Park Jaehyung

  Department Of Computer Engineering Chonnam National University

• Park Jaehyung

  Department Of Electronics Computer And Information Engineering Chonnam National University

• Chung Min

  School Of Info. And Commun. Eng. Sungkyunkwan Univ.

• Kim Jeong

  Department Of Anatomy Wonkwang University School Of Medicine

• Chung M

  School Of Information Communication Engineering Sungkyunkwan University

• Ahn Byung

  Network Laboratory Electronics And Telecommunications Research Institute

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