Multiplex communications – Wide area network – Packet switching
Patent
1984-11-21
1987-04-07
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 89, H04J 302, H04J 316
Patent
active
046566279
ABSTRACT:
A packet switching system having separate arbitration and data buses together with circuitry for dividing the buses into a plurality of time segments termed phases. The plurality of phases permit a like plurality of separate arbitration operations and a like plurality of separate data exchanges to be effected concurrently on the arbitration bus and data bus, respectively. The use of n phases increases the data transmission capability of the system by a factor of n over prior art arrangements using only a single phase.
REFERENCES:
patent: 3870825 (1975-03-01), Roberts et al.
patent: 4470112 (1984-09-01), Dimmick
patent: 4488218 (1984-12-01), Grimes
patent: 4525837 (1985-06-01), Tan et al.
Hasley Lloyd A.
Raamot Jaan
AT&T Company
AT&T Information Systems Inc.
Chin Wellington
Duft Donald M.
Olms Douglas W.
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