Multiplex communications – Wide area network – Packet switching
Patent
1991-08-16
1994-09-20
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 857, 370 8512, 370 8514, 370 8515, 37082506, H04J 302
Patent
active
053495837
ABSTRACT:
A system for utilizing a transmission media such as a token ring having multiple, independent channels operating in parallel. The invention provides optimal use of multi-channel bandwidth to a plurality of interconnected workstations, file servers, and other devices. The workstations and devices attach to the token ring via dedicated lobe rings connected to concentrators on the token ring. Each concentrator contains the processors, memory, and logic necessary to coordinate the transmission and receipt of data over the token ring among the interconnected workstations and devices. The multi-channel token ring provides increased bandwidth and reliability to an existing token ring without requiring modifications to existing physical devices, interfaces, or protocols.
REFERENCES:
patent: 4416008 (1983-11-01), Takahashi et al.
patent: 4539679 (1985-09-01), Bux et al.
patent: 4602365 (1986-07-01), White et al.
patent: 4821174 (1989-04-01), Webb et al.
patent: 5107490 (1992-04-01), Wilson et al.
Christensen Kenneth J.
Noel, Jr. Francis E.
Blum Russell W.
International Business Machines - Corporation
Olms Douglas W.
Timar John J.
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