Options for cost-effective capacity upgrades in backbone optical networks
Tipus de documentText en actes de congrés
EditorInstitute of Electrical and Electronics Engineers (IEEE)
Condicions d'accésAccés restringit per política de l'editorial
Upgrading the capacity of backbone optical networks while delivering contents to the end-users with a reduced cost per bit is a day-by-day challenge of network operators. In this paper, we first discuss several mid-term options for capacity upgrades including migration to multi-fibre and multi-band systems (utilizing amplification systems with bandwidth extending over the C+L or the S+C+L bands). The multi-band approach is shown to be more costeffective than the multi-fibre approach under certain circumstances. We then focus on space-division multiplexing (SDM) based networks as the ultimate solution to address the capacity crunch. We compare the performance and infrastructure cost of possible SDM switching options for a solution based on bundles of single-mode fibres as a first pragmatic generation of SDM networks. We show that the use of spatial-group switching reduces the switching-related infrastructure cost of the SDM network and can also lead to extra cost savings due to sharing of elements in other parts of the network.
CitacióShariati, B., Rivas-Moscoso, J., Klonidis, D., Tomkos, I., Ben, S., Jimenez, F., Marom, D., Khodashenas, P., Comellas, J., Velasco, L. Options for cost-effective capacity upgrades in backbone optical networks. A: European Conference on Networks and Optical Communications. "2016 21st European Conference on Networks and Optical Communications (NOC) took place 1-3 June 2016 in Lisbon, Portugal". Lisboa: Institute of Electrical and Electronics Engineers (IEEE), 2016, p. 35-40.
Versió de l'editorhttp://ieeexplore.ieee.org/document/7506982/
|NOC 2016_Ioannis Tomkos_Invited_v5.pdf||906.3Kb||Accés restringit|