Distributed hierarchical scheduling and arbitration for bandwidth allocation
CA 2353622 A1 · Owner: Johnson, Ian David · Inventors: Johnson, Ian David; Piekarski, Marek Stephen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A scheduling and arbitration arrangement is provided for use in a digital switching system comprising a central switch under the direction of a master control to provide the cross-connections between a number of high-bandwidth input and output ports. On the ingress side of the switch are provided a number of ingress multiplexers, one for each high-bandwidth input port whilst , on the egress side of the switch are a number of egress multiplexers one for , each high-bandwidth output ports. Each ingress multiplexer includes a set of N input queues serving N low-bandwidth data sources and a set of M virtual output queues, one for each low-bandwidth output data source. The scheduling and …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed December 1, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 1, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 1, 2021.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.