Mobility

PCE-Based Inter-Domain Lightpath Provisioning

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Executive Summary

Despite the research advances in intra-domain light-path provisioning in WDM networks, efficient and practical schemes for path computation and resource advertisement in multi-domain mesh networks still need to be developed. Most of the proposed solutions in the literature lacks the ability to convey optical network-specific Traffic Engineering information and are based on periodic message flooding technique. The proposed solution provides a novel and economical way to disseminate information while performing the domain chain computation. It also provides a policy-based wavelength selection scheme that allows a load balanced provisioning of end-to-end light-paths.

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