Communication network

Details Communication network Communication network

2005-10-25

2005-10-25

Sedighian, M. R. (Department: 2633)

Optical communications

Multiplex

Optical switching

C398S053000, C398S052000, C398S045000, C398S079000, C398S083000, C370S412000, C370S392000, C370S535000

Reexamination Certificate

active

06959151

ABSTRACT:
A node in an optical communications network receives optical packets at its input. It determines a priority assigned to each optical packet. When the optical packet is a transit packet destined for another node then, if the packet is determined to have a relatively higher priority, it is output from the node via a continuous-flow transmission path. Other transmit packets having relatively lower priorities are sent via an alternative transmission path that may include queues or buffers resulting in a variable delay.

REFERENCES:
“New structures of the optical node in multihop transparent optical networks with deflection routing”; Bononi et al.; INFOCOM '94, Networking for Global Communications, 13th Proceedings IEEE, Jun. 12-16, 1994; vol. 1, pp. 415-422.
“Packet synchronization for synchronous optical deflection-routed interconnetion networks”, Feehrer et al.; Parallel and Distributed Systems, IEEE Transactions on, vol. 7, Issue 6, Jun. 1996, pp. 605-611.
“BER performance of multiwavelength optical cross-connected networks with deflection routing”; Castanon et al.; Communications, IEE Proceedings, vol. 144, Issue 2, Apr. 1997, pp. 114-120.

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