Methods of selecting simultaneously transmitted messages in a mu

Details Methods of selecting simultaneously transmitted messages in a mu Methods of selecting simultaneously transmitted messages in a mu

1988-11-03

1990-09-11

Lee, Thomas C.

Boots, shoes, and leggings

36422941, 3642814, 3642822, 3642824, 3642685, 3642689, 34082502, 370 856, 370 941, G06F 13376, G06F 13368, G06F 1516, G06F 1540

Patent

active

049567721

ABSTRACT:
A multiprocessor system intercouples the processors with an active logic network having a plurality of priority determining nodes. Messages applied concurrently to the network in groups are sorted, using the data content of the meassages, to a single or common priority message which is distributed to all the processors with a predetermined total network delay time. Losing messages are again retried concurrently in groups at a later time. Message routing is determined by local acceptance or rejection of messages at the processors, based upon destination data in the messages. All messages occupy places in a coherent priorty scheme and are transferred in contending groups with prioritization on the network. Using data, status, control and response messages, and different multiprocessor modes, the system is particularly suited for configuration in a relational data base machine having capability for maintaining an extended data base and handling complex queries.

REFERENCES:
patent: 3633163 (1972-01-01), Birchmeier
patent: 3665415 (1972-05-01), Beard
patent: 3753234 (1973-08-01), Gilbert et al.
patent: 4071908 (1978-01-01), Brophy et al.
patent: 4262357 (1981-04-01), Shima
patent: 4307446 (1981-12-01), Barton et al.
patent: 4347498 (1982-08-01), Lee et al.
patent: 4428046 (1984-01-01), Chari et al.

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