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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 26 — Dec. 26, 2005
  • pp: 10457–10468

Dynamic lightpath provisioning with signal quality guarantees in survivable translucent optical networks

Yong Ouyang, Qingji Zeng, and Wei Wei  »View Author Affiliations

Optics Express, Vol. 13, Issue 26, pp. 10457-10468 (2005)

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This paper studies the problem of signal-quality-guaranteed lightpath provisioning in survivable translucent optical networks under dynamic traffic. A new protection scheme, called regeneration-segment protection (RSP), is proposed. Provisioning approaches with shared path protection and shared RSP are presented. Two main signal quality constraints are integrated with the provisioning problem. Different regenerator placement strategies for working path and protection path are employed. Joint path selection method is used to select the “optimal” working-protection pair. With the above considerations, survivable lightpath provisioning with signal-quality-guarantees is achieved in a cost-effective manner. Results show that in a moderate-size network, RSP has less blocking probability than path protection when the network load is low or modest. Besides, RSP obtains better performance in terms of recovery time than path protection in all network scenarios.

© 2005 Optical Society of America

OCIS Codes
(060.4250) Fiber optics and optical communications : Networks
(060.4510) Fiber optics and optical communications : Optical communications

ToC Category:
Research Papers

Yong Ouyang, Qingji Zeng, and Wei Wei, "Dynamic lightpath provisioning with signal quality guarantees in survivable translucent optical networks," Opt. Express 13, 10457-10468 (2005)

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