System of transmission by packets with data compression, corresponding method and apparatus
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United States of America Patent
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-
Nov 2, 1993
Grant Date -
N/A
app pub date -
Dec 18, 1991
filing date -
Dec 19, 1990
priority date (Note) -
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Abstract
A system of data transmission by packets in which certain data-exchange links use a transmission chain comprising two transmitter/receiver terminals and at least two intermediate units, and in which each packet is associated with the transmission of data belonging to only one link, at least some of the intermediate units including means for the compression and/or decompression, in at least one direction of transmission, of the data elements contained in the data fields of the packets transmitted, according to at least one compression algorithm. The compression and decompression units are allocated selectively to some of the links, to compress the data elements transmitted on at least a portion of the transmission chain. The compression/decompression function is selectively activated in the allocated units for at least one series of consecutive packets of the corresponding link, and is selectively deactivated for the other packets.
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