Multicast and unicast scheduling for a network device
CA 2308233 A1 · Owner: Nortel Networks Na Inc. · Inventors: Ladwig, Geoffrey B.; Angle, Richard L.; Yin, Nanying
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus are provided for scheduling unicast and multicast data in, an input-queued network device. According to one aspect of the present invention, a, combined schedule is created by pipelined staging of multicast and unicast scheduling. Multicast cells are scheduled for transmission among multiple interfaces of a crossbar by, performing a multicast cell scheduling cycle for multiple classes of service that are, supported by the network device. Then unicast cells are scheduled for , transmission among the interfaces at a lower priority than the previously scheduled multicast cells by, performing a unicast cell scheduling cycle for the multiple classes of service using …
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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 May 12, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 12, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 12, 2022.
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Timeline
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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.