ACG Research

ACG Research
We focus on the Why before the What

Friday, September 23, 2011

Meshed Optical Topologies

As network architectures become more agile and dynamic, they enable faster provisioning and service creation. However, migration issues are increasingly apparent as operators move from static and point-to-point networks to transparent mesh architectures that deploy ROADMs, optical cross-connects and dynamic control planes.

Operators are discussing mesh topologies and dynamic networks but are overlooking important technical and physical issues. Power transients and chromatic dispersion effects are far more prominent at higher bit rates and in mesh topologies. Specifically, standard mitigation is simply not sufficient or sophisticated enough to handle the increased rollout of high-capacity links at 40G and 100G in transparent mesh networks.

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