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A Load-Balanced Agile All-Photonic Network

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2 Author(s)
Paredes, S.A. ; Univ. of Ottawa, Ottawa ; Hall, T.J.

We investigate a load-balancing method in a time division multiplexed agile all-photonic network (AAPN), which has a star topology and a buffeHess optical core. This method for bandwidth sharing is derived from a packet switch architecture that consists of three electronic buffering stages holding layered cross-point queues and two optical transpose interconnects between the stages. For AAPN, the architecture is folded: the slots (the data units) are fust sent to the same set of edge nodes acting as intermediate stage, and then sent to their final-destination edge nodes. The approach is suitable for the metro / access scenarios in which propagation delays are small and it simplifies the scheduling problem significantly since it is fixed and performed locally, without the need for signaling or centralised schedulers.

Published in:

Computers and Communications, 2007. ISCC 2007. 12th IEEE Symposium on

Date of Conference:

1-4 July 2007