Optical virtual local area network

Details Optical virtual local area network Optical virtual local area network

2007-10-16

2007-10-16

Singh, Dalzid (Department: 2613)

Optical communications

Multiplex

Optical switching

C398S047000, C398S051000, C398S054000

Reexamination Certificate

active

10616636

ABSTRACT:
The maximum number of virtual local area networks (VLANs) is increased beyond the number provided solely with the VLAN ID, by a factor related to the number of wavelengths of a Wavelength Division Multiplexing (WDM) used by a network switching. An optical VLAN number (OVLAN ID) is a combination of the VLAN ID from the packet header and a path or wavelength ID (WL ID) that identifies a selected one of available wavelengths of a WDM transmission line. An Optical VLAN (OVLAN) conversion table stores data of the OVLAN ID, the VLAN ID and optical path ID, for an optical VLAN node.

REFERENCES:
patent: 6075630 (2000-06-01), Nishio
patent: 7065040 (2006-06-01), Nagamine
patent: 2002/0156919 (2002-10-01), Maeno

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