Ring/mesh optical network

Details Ring/mesh optical network Ring/mesh optical network

1998-02-20

2000-03-14

Pascal, Leslie

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359119, 359110, 359128, 359139, H04J 1400, H04J 1402, H04B 1020, H04B 1008

Patent

active

060380446

ABSTRACT:
A plurality of optical cross-connect switches are freely interconnected to form a mesh type network. At least three of the optical cross-connect switches are switched to form a line-switched ring network, thereby forming a ring/mesh network. Simply by changing the switching logic of the optical cross-connect switches within the ring/mesh network, new rings can be created and existing rings can be modified, thereby providing a great deal of flexibility to make changes to the network as traffic patterns change without incurring hardware costs or significant network downtime. Another advantage of the ring/mesh design approach is that spare capacity within the line-switched ring can be utilized by the mesh network, and spare capacity within the mesh network can be utilized by the line-switched ring, thereby significantly increasing the spare efficiency.

REFERENCES:
patent: 5805320 (1998-09-01), Kuroyanagi et al.
patent: 5870212 (1999-02-01), Nathan et al.

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