Multiplex communications – Wide area network – Packet switching
Patent
1994-07-13
1996-10-22
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 82, 370 942, H04L 1254
Patent
active
055684785
ABSTRACT:
All the information sections of a processed data structure, including pre-header, tail and extra section, header and payload, can be selectively copied in a node of a communication network by means of a copy mask (12) associated with a copy block (11). A combination of an insert block (14) and an insert mask (15) is used for selectively writing to all the information sections in the data structure. In order to increase the capacity of the data structure, the length of the pre-header or tail can be increased. In the path between an input interface (10) and the insert block (14) there is an adjustable delay block (13) into which the data structure can be copied as a whole. A microprocessor (25) is coupled to all the processing units (10)-(17) and (22)-(24) of the system and serves for presetting the two masks for selecting the information to be copied and inserted.
REFERENCES:
patent: 5271010 (1993-12-01), Miyake et al.
patent: 5287530 (1994-02-01), Davis et al.
patent: 5321691 (1994-06-01), Pashan
patent: 5323389 (1994-06-01), Bitz et al.
patent: 5394393 (1995-02-01), Brisson et al.
Noll Joachim
Schwope Andreas
van Loo, Jr. Gerrit J.
ASCOM Tech AG
ATecoM GmbH
Blum Russell W.
Olms Douglas W.
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