SDN-enabled Sliceable BVT Based on Multicarrier Technology for Multi-Flow Rate/Distance and Grid Adaptation

Michela Svaluto Moreolo, Josep M. Fabrega, Laia Nadal, Arturo Mayoral, Yuki Yoshida, Ken-ichi Kitayama, Ricard Vilalta, Raul Muñoz, Ramon Casellas, Ricardo Martínez, Masato Nishihara, Toshiki Tanaka, Tomoo Takahara, Jens C. Rasmussen, Christoph Kottke, Schlosser Michael, Ronald Freund, Fanchao Meng, Shuang Yi Yan, Georgios ZervasDimitra Simeonidou

Research output: Contribution to conferenceConference Paperpeer-review

4 Citations (Scopus)

Abstract

Abstract—We propose a sliceable bandwidth variable
transceiver (S-BVT) architecture suitable for metro/regional
elastic networks and highly scalable data center (DC) applications.
It adopts multicarrier modulation (MCM) technology, either
OFDM or DMT, and a cost-effective optoelectronic front-end. The
high-capacity S-BVT is programmable, adaptive and
reconfigurable by an SDN controller for efficient resource usage,
enabling unique granularity, flexibility and grid adaptation, even
in conventional fixed-grid networks. We experimentally
demonstrate its multiple advanced functionalities in the four-node
photonic mesh network of the ADRENALINE testbed. This
includes SDN-enabled rate/distance adaptive multi-flow
generation and routing/switching, slice-ability, flexibility and
adaptability for the mitigation of spectrum fragmentation as well
as for a soft migration towards the flexi-grid paradigm.
Original languageEnglish
Publication statusPublished - 1 Oct 2015

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