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Experimental investigation of dynamic impairment-aware bi-directional lightpath provisioning in GMPLS-enabled optical networks

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3 Author(s)
Lei Liu ; KDDI R&D Laboratories Inc., 2-1-15 Ohara, Fujimino-shi, Saitama 356-8502, Japan ; Takehiro Tsuritani ; Itsuro Morita

The lightpaths within a wavelength switched optical network (WSON) are usually bi-directional, with a same route and a same wavelength which are allocated for both directions from the viewpoint of optical network operation. On the other hand, the introduction of generalized multi-protocol label switching (GMPLS) as a network control plane is expected to bring more intelligence and to provision the end-to-end lightpath in a cost-efficient manner. In this paper, we experimentally demonstrate and evaluate dynamic provisioning of bi-directional lightpaths in GMPLS controlled optical networks, considering the wavelength continuity constraint and the physical impairment constraint on both directions.

Published in:

Communications and Photonics Conference and Exhibition, 2011. ACP. Asia

Date of Conference:

13-16 Nov. 2011