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The introduction of software-defined networking (SDN) principles in the optical communications ecosystem promises to change the way things are done nowadays. Although many of these principles still require proper maturation, the main premises behind SDN are quite attractive: 1) The separation of control and data plane will ultimately result in simpler hardware elements in the network with the network...
The combined use of shared protection with distributed differential delay compensation is proposed to cost-efficiently deploy virtually-concatenated services over optical transport networks. The results highlight the significant link capacity and regenerator count savings attained.
Exploiting inverse-multiplexing in optical transport networks (OTN) leads to a cost-effective network design based on legacy 10 Gbps or 40 Gbps equipment to support next-generation services, e.g., 100 Gbps Ethernet. The inclusion of multipath routing permits to better balance the load and avoid problematic capacity bottlenecks. However, with diverse-path routing the inverse-multiplexed connections...
We propose a simplified framework that exploits grooming and virtual concatenation to minimize the optical transport network cost for supporting 40 Gb/s and 100 Gb/s services. The impact of transceiver cost and maximum optical reach is assessed.
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