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We introduce a compact matrix-switch-based hierarchical optical path cross-connect prototype system that exploits integrated colorless waveband multi/demultiplexers. Its performance ensures cost-effective networks can be created.
We propose optical path routing and frequency slot assignment algorithms that suit elastic optical paths and the distance adaptive modulation scheme. The algorithms are proven to yield high spectrum efficiency for the distant-adaptive frequency allocation scheme.
We propose an inter-domain path routing algorithm for multi-domain photonic networks that uses inexact traffic information of each domain. Proposed method almost matches the blocking probability of a method that utilizes all existing path information.
The transport network paradigm is moving toward next-generation networks that aim at IP convergence, while architectures and technologies are diversifying. Video technologies including ultrahigh-definition TV (more than 33 M pixels) continue to advance, and future communication networks will become video-centric. The inefficiencies of current IP technologies, in particular, the energy consumption...
We propose a network segmentation and design algorithm based on traffic distribution information. Numerical experiments demonstrated that the proposed algorithm can greatly reduce network cost.
We present a quasi-dynamic multi-layered photonic network design algorithm that achieves cost-effective incremental network expansion to accommodate future broadband services. It is demonstrated that service holding/contract times are key parameters in developing cost-effective networks.
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