A comparative study of restoration schemes and a new hierarchical hybrid restoration scheme in hierarchical networks

Jian Xie; Zhi Tan; Yueming Lu; Yuefeng Ji

doi:10.1117/12.688484

28 September 2006 A comparative study of restoration schemes and a new hierarchical hybrid restoration scheme in hierarchical networks

Jian Xie, Zhi Tan, Yueming Lu, Yuefeng Ji

Author Affiliations +

Proceedings Volume 6354, Network Architectures, Management, and Applications IV; 63541S (2006) https://doi.org/10.1117/12.688484
Event: Asia-Pacific Optical Communications, 2006, Gwangju, South Korea

Abstract

Today, as networks grow rapidly in size, hierarchical network structures (e.g. PNNI) have been proposed to solve the problem of network scalability as well as security in large networks. One of the most important requirements of hierarchical networks is survivability. In this paper, we first present a survey on some restoration schemes, and then propose a hierarchical hybrid restoration scheme (HHRS) for hierarchical networks. The performance of these restoration schemes in hierarchical networks is analyzed and compared theoretically. Restoration success rate, restoration time, fault notification message overheads are the major performance measures. HHRS can reduce the number of fault notification signal messages by sending notification signal messages vertically up and down the network hierarchy instead of horizontally along the paths. It can also maximize the restoration success rate with a fast restoration speed by dynamically determining the restoration scope.

Citation Download Citation

Jian Xie, Zhi Tan, Yueming Lu, and Yuefeng Ji "A comparative study of restoration schemes and a new hierarchical hybrid restoration scheme in hierarchical networks", Proc. SPIE 6354, Network Architectures, Management, and Applications IV, 63541S (28 September 2006); https://doi.org/10.1117/12.688484

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