Local Link Protection Scheme in IP Networks

  • Authors:
  • Hui-Kai Su;Cheng-Shong Wu

  • Affiliations:
  • Dept. of Computer Science and Information Engineering, Nanhua University, No. 32, Chung Keng Li, Dalin, Chia-Yi, 622, Taiwan;Department of Electrical Engineering, National Chung-Cheng University, No. 160, San-Hsing, Min-Hsiung, Chia-Yi, 621, Taiwan

  • Venue:
  • ICCS '07 Proceedings of the 7th international conference on Computational Science, Part IV: ICCS 2007
  • Year:
  • 2007

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Abstract

In this paper, we proposed an IP Local Link-Protection (IPLLP) scheme based on the characteristic of shortest-path routing in IP networks. Our scheme working in an intra-area routing domain provides a simple and efficient solution to improve IP network survivability without extra control protocols and enhanced routing protocols. Because the backup next hops are predetermined in advance, the service interrupted time can be limited to a few milliseconds. In the simulation results, we observe that IP Local Link-Protection scheme can efficiently improve network survivability in a small-scale and high-degree network.