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We propose a novel outer-ROADM-ring (ORR) based multi-domain routing scheme in optical WDM networks. Results show that this scheme has both high scalability and low blocking probability, while preserving inter-domain confidentiality as well.
In this paper, we introduce the application of topology aggregation in PCE-based WSON network. A wavelength capability matrix was proposed for dealing with the compression of the information about wavelength convertibility. In large scale hierarchical networks, network state information can be effectively compressed by applying topology aggregation and the overhead of communication between PCEs would...
Ring architectures have been widely used by telecommunications carriers for the deployment of networks based on synchronous optical network (SONET) and wavelength division multiplexing (WDM). These architectures have several attractive properties that make them desirable for a large number of applications. Even though arbitrary mesh network architectures provide additional degrees of freedom and are...
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