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Proceedings Paper

On differentiated service provisioning in survivable WDM mesh networks
Author(s): Wenda Ni; Chunlei Zhu; Xiaoping Zheng; Yanhe Li; Yili Guo; Hanyi Zhang
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Paper Abstract

A differentiated survivable service provisioning (DSSP) framework is investigated in this paper for optical networks providing dedicated path protection (DPP) and shared path protection (SPP) services. To tackle the service provisioning problem under the framework, spare capacity allocation (SCA) problem is studied first. The structure of the problem is captured by a set of matrices. Then, based on the matrix model, a path-flow integer linear programming (ILP) formulation is presented to find the optimal service provisioning solution for a given set of traffic demands. The objective is to minimize total capacities consumed by working and backup paths of all demands. Furthermore, network performance under the dynamic DSSP framework is illustrated in terms of blocking probability, resource overbuild and average hop distance.

Paper Details

Date Published: 19 November 2007
PDF: 12 pages
Proc. SPIE 6784, Network Architectures, Management, and Applications V, 67843A (19 November 2007); doi: 10.1117/12.742323
Show Author Affiliations
Wenda Ni, Tsinghua Univ. (China)
Chunlei Zhu, NVIDIA, Inc. (China)
Xiaoping Zheng, Tsinghua Univ. (China)
Yanhe Li, Tsinghua Univ. (China)
Yili Guo, Tsinghua Univ. (China)
Hanyi Zhang, Tsinghua Univ. (China)

Published in SPIE Proceedings Vol. 6784:
Network Architectures, Management, and Applications V
Jianli Wang; Gee-Kung Chang; Yoshio Itaya; Herwig Zech, Editor(s)

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