Data packet switching

Details Data packet switching Data packet switching

1989-02-10

1990-07-24

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 854, 370 856, 3408255, H04J 326

Patent

active

049439596

ABSTRACT:
A data packet switching arrangement wherein data packets are switched into a transmission pathway according to their priority. Data packet priority is consequently determined in a ring and a priority token attributed thereto. A high priority token ensures its data packet is switched into the transmission pathway when next available. Lower priority tokens are held by respective packets until all data packet priorities have been determined and no higher priority tokens attributed, whereupon the respective data packet is switched into the transmission pathway when next determined.

REFERENCES:
patent: 4482999 (1984-11-01), Janson et al.
patent: 4602365 (1986-07-01), White et al.
patent: 4680757 (1987-07-01), Murakami et al.
patent: 4726018 (1988-02-01), Bux et al.
patent: 4736368 (1988-04-01), Szczepanek

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