Packet selection for packet distribution arrangements

Details Packet selection for packet distribution arrangements Packet selection for packet distribution arrangements

1988-12-29

1990-06-26

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 60, 370 54, H04J 324, H04Q 1104

Patent

active

049378171

ABSTRACT:
A packet distribution network including a distributed arrangement for selecting packets based on the availability or unavailability of packet destinations is disclosed. A plurality of input units receive and store packets before distribution. Each input unit also receives a sequence of addresses representing packet destinations and a sequence of usage indicators each describing the availability or unavailability of an associated one of the destination addresses. The sequence of addresses and the associated usage indicators are provided to the input units such that the address of each packet destination is contemporaneously received by only one input unit. Each input unit selects a stored packet based on the received destination addresses and associated usage indicators and marks previously available destinations unavailable to other input units by modifying the usage indicator associated with a packet destination for which a packet is selected.

REFERENCES:
patent: 4611322 (1986-09-01), Larson et al.
patent: 4780870 (1988-10-01), McHarg et al.
patent: 4799215 (1989-01-01), Suzuki
M. J. Karol et al., "Input vs. Output Queueing on a Space-Division Packet Switch", IEEE Global Telecommunications Conference, vol. 2, Dec. 1-4, 1986, pp. 0659-0665.

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