Method and apparatus for a data first optical network

Multiplex communications – Pathfinding or routing – Through a circuit switch

Reexamination Certificate

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Details

C370S430000, C398S048000

Reexamination Certificate

active

07009966

ABSTRACT:
A gateway exchange node according to a first embodiment of the present invention is disclosed. The gateway exchange node includes an exchange area network (XAN) xswitch. The gateway exchange node includes a wide area network (WAN) wavelength switch coupled to the XAN xswitch.

REFERENCES:
patent: 6233074 (2001-05-01), Lahat et al.
patent: 6388782 (2002-05-01), Stephens et al.
patent: 6535313 (2003-03-01), Fatehi et al.

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