H - Electricity – 04 – L
Patent
H - Electricity
04
L
354/222, 340/73
H04L 29/08 (2006.01) H04L 12/56 (2006.01) H04L 29/06 (2006.01)
Patent
CA 1306810
ABSTRACT A method and device for controlling the transmission across a data link is disclosed. Link Layer protocol formatting in a variation on a "sliding window" protocol is implemented. In data communication equipment, a protocol controller device is described, coupling a first input/output means, for coupling to a local data terminal equipment, to a second input/output means, for coupling said local data terminal equipment to a communication link, comprising: first porting means for transferring information in to and out from said first input/output means; second porting means for transferring said information to and from said second input/output means; switching means coupled to said first porting means for controlling an input/output information transfer path through said porting means; information holding means, coupled to said first porting means and to said second porting means, for pipelining said information through said device; and controlling means, coupled to said holding means and said second porting means, for protocol formatting of said information. The present invention includes a method for controlling data transmission using an open systems interconnection model, comprising: providing link layer sliding window protocol formatting of information to be transmitted such that said protocol provides transmission error control; and providing link layer sliding window protocol formatting of information to be transmitted such that said protocol provides transmission flow control and fully decoded control information.
578853
Dolkas Gregory D.
Martin William R.
Hewlett-Packard Company
Sim & Mcburney
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