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US 5,510,923 AGranted
Telecommunications system combining wavelength multiplexing and packet switching networks
AssigneeFrance Telecom Etablissement Autonome de Droit Public
InventorsGuignard Philippe, Andre Hamel
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Abstract
The network according to the invention combines a circuit switching multicoloured optical network (R1) and a packet switching network (R2). The circuit switching network is adapted to transmit data at a high rate. The packet switching network is adapted to transmit data at an average rate. Control data are carried on the packet switching network. This provides more efficient transmission of data and effectively handles peak transmission rates. The invention has application to telecommunications.
Claims8
Telecommunications network comprising:
- a plurality of stations exchanging information at a high rate or at an average traffic,
- a first network of a wavelength multiplexing optical type, said first network operating in a spatial switching mode, said first network being connected for transmitting information between said stations at said high rate,
- a second network operating in a packet switching mode, said second network being connected for transmitting information between said stations at said average traffic, said second network having a traffic capacity limit and said high rate exceeding the limit,
- said networks being connected for sharing information traffic such that the information is transmitted on said first network when the rate of transmitting information between said stations is above the limit and information traffic is shifted so that the information is transmitted on said second network when the rate of transmitting information is below the limit, said information traffic being shifted back to the first network when the rate returns to being above the limit, and
- said first network being controlled by control information for accomplishing said sharing, said control information being transmitted on said second network in said packet switching mode.
2 more elements
(new) Telecommunications network comprising:
- a plurality of stations exchanging information at a high rate or at an average traffic,
- a first network of a wavelength multiplexing optical type, said first network operating in a spatial switching mode, said first network being connected for transmitting information between said stations at said high rate,
- a second network operating in a packet switching mode, said second network being connected for transmitting information between said stations at said average traffic,
- said networks being connected for sharing information traffic such that the information is transmitted on said first network when the rate of transmitting information between said stations is at said high rate and the information is transmitted on said second network when the rate of transmitted information is at said average traffic, and
- said first network being controlled by control information for accomplishing said sharing, said control information being transmitted on said second network in said packet switching mode.
2 more elements
Dependencies are inferred from the claim text.