Multiplex communications – Wide area network – Packet switching
Patent
1984-05-14
1987-03-24
Williams, Archie E.
Multiplex communications
Wide area network
Packet switching
364200, 371 47, 371 72, H04J 324, G06F 1500
Patent
active
046530487
ABSTRACT:
A method and apparatus are used for accounting for last and out-of-sequence interprocessor messages in a multiprocessor telephone switching system. Each message is assigned a sequence number by the sending processor. Upon reception of messages, the receiving processor analyzes the sequence numbers to ascertain their proper order and if any messages are missing. The identities of missing messages are entered in a table which is periodically updated.
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patent: 4398290 (1983-08-01), Mathieu et al.
patent: 4439859 (1984-03-01), Donnan
patent: 4519068 (1985-05-01), Krebs et al.
patent: 4530051 (1985-07-01), Johnson et al.
patent: 4551834 (1985-11-01), Lienard
patent: 4564900 (1986-01-01), Smitt
Anderson Lewis G.
Ku Wen
American Telephone and Telegraph Company
Davis Charles H.
Godlewski Richard J.
Lee Thomas C.
Williams Archie E.
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