SDN enabled dynamically reconfigurable high capacity optical access architecture for converged services

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Talli, Giuseppe
Slyne, Frank
Porto, Stefano
Carey, Daniel
Brandonisio, Nicola
Naughton, Alan J.
Ossieur, Peter
McGettrick, Seamas
Blumm, Christian
Ruffini, Marco
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Dynamically reconfigurable time-division multiplexing (TDM) dense wavelength division multiplexing (DWDM) long-reach passive optical networks (PONs) can support the reduction of nodes and network interfaces by enabling a fully meshed flat optical core. In this paper we demonstrate the flexibility of the TDM-DWDM PON architecture, which can enable the convergence of multiple service types on a single physical layer. Heterogeneous services and modulation formats, i.e. residential 10G PON channels, business 100G dedicated channel and wireless fronthaul, are demonstrated co-existing on the same long reach TDM-DWDM PON system, with up to 100km reach, 512 users and emulated system load of 40 channels, employing amplifier nodes with either erbium doped fiber amplifiers (EDFAs) or semiconductor optical amplifiers (SOAs). For the first time end-to-end software defined networking (SDN) management of the access and core network elements is also implemented and integrated with the PON physical layer in order to demonstrate two service use cases: a fast protection mechanism with end-to-end service restoration in the case of a primary link failure; and dynamic wavelength allocation (DWA) in response to an increased traffic demand.
Passive optical networks , Optical fiber amplifiers , Wavelength division multiplexing , Physical layer , Semiconductor optical amplifiers , Dynamic wavelength allocation , Optical fiber communication , Dense wavelength division multiplexing , Erbium doped fiber amplifiers , Semiconductor optical amplifiers , Access protocols , Software defined networking , Fast protection
Talli, G., Slyne, F., Porto, S., Carey, D., Brandonisio, N., Naughton, A., Ossieur, P., McGettrick, S., Blumm, C., Ruffini, M., Payne, D., Bonk, R., Pfeiffer, T., Parsons, N. and Townsend, P. (2016) ‘SDN enabled dynamically reconfigurable high capacity optical access architecture for converged services’, Journal of Lightwave Technology, 35(3), pp. 550-560. doi: 10.1109/JLT.2016.2604864.
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