Scalable method and architecture for an active switch...

Details Scalable method and architecture for an active switch... Scalable method and architecture for an active switch...

2007-10-02

2007-10-02

Pezzlo, John (Department: 2616)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S463000, C710S002000

Reexamination Certificate

active

10194338

ABSTRACT:
An active optical network switch having a switch module, a plurality of uplink modules and a plurality of downlink modules connected to a backplane for connecting the modules and passing signals among them. A CPU module assists in managing the routing of traffic signals by the switch module; said modules and backplane are enclosed in an environmentally hardened housing. Six downlink modules may include four downlink ports each, for connecting the switch to twenty-four subscribers. Multiple switches may be daisy-chained together; one being a master and the remainder being slaves, to increase the number of subscribers that are served by an uplink fiber/pair. Dense Wavelength Division Multiplexing may aggregate traffic signals between many subscribers and a CO/head end along a single backhaul fiber. Switch software may provide “network edge” functions including traffic shaping, policing, filtering and aggregation, and address control.

REFERENCES:
patent: 6584109 (2003-06-01), Feuerstraeter et al.
patent: 6826195 (2004-11-01), Nikolich et al.
patent: 2002/0162083 (2002-10-01), Fowler

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