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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 9, Iss. 10 — Oct. 10, 2011
  • pp: 100603–

Signaling-based path-segment protection in mesh optical networks

Yueming Lu, Chao Zou, Qiushi Wang, and Yuefeng Ji  »View Author Affiliations


Chinese Optics Letters, Vol. 9, Issue 10, pp. 100603- (2011)


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Abstract

Path protections have become increasingly important for current mesh optical networks because fast restorations in generalized multiprotocol label switching (GMPLS) networks are uncertain. However, setting up additional disjoint paths to protect connections leads to more path setup blocking and signaling collisions. We analyze signaling collisions, path blocking and blocking probability, as well as calculate node-to-node blocking probabilities. A signaling-based path-segment protection (PSP) is proposed, which integrates segment protections and path protections as well as enhances the performance of path protections and ring protections. The setup of PSP connections causes less blocking probability than the setup of path protection connections in the simulations.

© 2011 Chinese Optics Letters

OCIS Codes
(060.4250) Fiber optics and optical communications : Networks
(060.4257) Fiber optics and optical communications : Networks, network survivability
(060.4261) Fiber optics and optical communications : Networks, protection and restoration

Citation
Yueming Lu, Chao Zou, Qiushi Wang, and Yuefeng Ji, "Signaling-based path-segment protection in mesh optical networks," Chin. Opt. Lett. 9, 100603- (2011)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-9-10-100603


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