Multiplex communications – Channel assignment techniques
Patent
1997-05-06
1999-09-07
Pham, Chi H.
Multiplex communications
Channel assignment techniques
370536, 375260, 3952003, H04K 110
Patent
active
059497882
ABSTRACT:
A method and apparatus are disclosed which permit multipoint trunking among a plurality of network devices connected by a trunk comprising at least two physical links. A trunk control message protocol (TCMP) is described which assures that message traffic may be delivered to the respective devices over the individual links of the trunk prior to inclusion of the respective links as active links in the trunk. The trunk acts as a single network port for each of the devices utilizing the trunk and is layered over a plurality of media access control (MAC) ports which interface to the respective links. The disclosed trunking technique and apparatus permit the bandwidth of the trunk to be increased in increments through the addition of links to the trunk.
REFERENCES:
patent: 5065396 (1991-11-01), Castellano
patent: 5231649 (1993-07-01), Duncanson
patent: 5293378 (1994-03-01), Shimizu
patent: 5680400 (1997-10-01), York
patent: 5757804 (1998-05-01), McGee
Friedman G. Stodel
Heiner, Jr. Edward A.
Husak David J.
Van Seters Stephen L.
3Com Corporation
Luther William
Pham Chi H.
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