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- W2495836557 abstract "Networks built on SDH and SONET have been widely deployed across the globe and a good portion of the metro network data infrastructure continues to rely on these legacy technologies. Most Communications Service Providers (CSPs) expect to operate SONET/SDH infrastructures until the end of the decade, before ultimately migrating to IP-centric, SDN-enabled networks. Such a migration is a major undertaking, which can take several months due to limited maintenance windows and the minimization of outages. Indeed, CSPs need effective optimization algorithms to be able to predict the time and resources required for the migration of large SONET/SDH networks. Under the assumption that the new network is already entirely built before the migration takes place, we present a model that estimates the number of required maintenance windows and technicians in order to perform the migration. Migration is formulated as a circuit migration problem, where each circuit is migrated with careful technician coordination in order to minimize the outages. The proposed model is a planning one, which estimates the cost and duration of a network migration subject to technician availability, outage constraints, and for given maintenance windows. Computational experiences on a Ciena's customer network migration instance complete our study." @default.
- W2495836557 created "2016-08-23" @default.
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- W2495836557 date "2016-05-01" @default.
- W2495836557 modified "2023-09-23" @default.
- W2495836557 title "Planning network migration" @default.
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- W2495836557 doi "https://doi.org/10.1109/icc.2016.7511244" @default.
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