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Deployment Strategies for 40G/100G: Trade-offs and Impacts

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Deployment Strategies for 40G/100G: Trade-offs and Impacts

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  • Author: Jean-Sébastien Tassé
This paper begins with a definition of coherent vs. non-coherent, as well as greenfield vs. brownfield. Next, it presents the trade-offs that each approach entails in terms of bandwidth, scalability and impact on quality of service (QoS). Impairments commonly found in these high-speed deployments, such as polarization mode dispersion (PMD), non-linear effects and inter-channel crosstalk, will also be discussed, as will their impact on bit error rates (BERs) and operational costs.

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