Optical communications – Multiplex – Optical switching
Reexamination Certificate
2003-08-21
2008-10-21
Chan, Jason (Department: 2613)
Optical communications
Multiplex
Optical switching
C398S054000, C398S079000, C370S395210, C370S395420
Reexamination Certificate
active
07440696
ABSTRACT:
In a data multiplexing network system, a first wavelength multiplexing function unit sets a plurality of different wavelengths which correspond to a plurality of different service classes, respectively, and maps each packet into each correspondent-wavelength which corresponds to each service class, to which the each packet belongs, and multiplexes the correspondent-wavelengths for the plurality of different service classes for a data transmission at a multiplexed-wavelength through a wavelength division multiplexing network. A second wavelength multiplexing function unit receives the each correspondent-wavelength and fetches a packet from the each correspondent-wavelength.
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patent: 2004/0006613 (2004-01-01), Lemieux et al.
patent: 2000-101584 (2000-04-01), None
patent: WO-01/31819 (2001-05-01), None
patent: WO-01/093480 (2001-12-01), None
“Exploitation of DWDM for optical packet switching with quality of service guarantees”; Callegati et al.; Selected Areas in Communications, IEEE Journal on; vol. 20, Issue 1, Jan. 2002; pp. 190-201.
“Distributed wavelength assignment protocols with priority for WDM all-optical networks”; Peng et al.; Computer Communications and Networks 2000, Proceedings, Ninth International Conference on; Oct. 16-18, 2000; pp. 625-630.
Chan Jason
Curs Nathan M
Dickstein , Shapiro, LLP.
NEC Corporation
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