Multiplex communications – Wide area network – Packet switching
Patent
1985-11-29
1987-11-10
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
H04Q 1104
Patent
active
047062401
ABSTRACT:
A switching system having a control network for establishment of a path and a data switching network responsive to the path determined by the control network for switching data between a plurality of input ports to a plurality of output ports. The control network is a self-routing network that is fabricated utilizing electronic devices; whereas, the data switching network is fabricated using photonic devices. The electronic network is of the butterfly architecture and the photonic network is of the cross-bar architecture. A translation circuit is utilized to convert the path determined through the self-routing butterfly control network for use in determining the path through the photonic cross-bar network.
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patent: 3573377 (1971-04-01), Anderson et al.
patent: 3612767 (1971-10-01), Anderson et al.
patent: 4314367 (1982-02-01), Bakka et al.
patent: 4494230 (1985-01-01), Turner
patent: 4627048 (1986-12-01), Larson
"4.times.4 Ti:LiNbO.sub.3 Integrated-Optical Crossbar Switch Array", Appl. Phys. Lett., 47(4), Aug. 15, 1985, pp. 348-350.
"No. 1 ESS Switching Network Frames and Circuits", The Bell System Technical Journal, vol. XLIII, No. 5, Part 2, pp. 2221-2253, Sep., 1964.
American Telephone and Telegraph Co., AT&T Bell Labs
Chin Wellington
Moran John C.
Olms Douglas W.
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