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Despite the research advances in intra-domain lightpath 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 solution presented in achieved better performance than those based on periodic flooding while performing domain chain computation. However, it relies on potentially outdated routing information which can increase blocking of requests for lightpath establishment.
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