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Canadian application, no grantCanada

Method and apparatus for controlling traffic flows in a packet-switched network

CA 2261012 A1 · Owner: Davis, Tom · Inventors: Hung, Anthony; Davis, Tom; Pezeshki-Esfahani, Hossain

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A scheduling device for use in a packet-switched network belonging to the , class of , non-work conserving or idling weighted round robin (WRR) arbiters assigns a , packet stream slots, in a fixed-length time division multiple access (TDMA) frame by selecting free slots which are, closest to ideal slot positions that would if assigned, eliminate fitter or , cell delay variation. The scheduler is able to simultaneously determine if a new constant bit rate connection, requiring a predetermined bandwidth conforms to a leaky bucket or GCRA algorithm, characterized by a peak packet or cell emission interval T=1/PCR and a packet or cell delay, variation time, CDVT, i.e. whether the new …

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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 February 3, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 3, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 3, 2021.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 3, 1999
GrantedNo grant recorded
Term endedFebruary 3, 2019
Patent numberCA 2261012 A1
Classification (IPC)H04Q11/04

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedFeb 3, 1999Term endedFeb 3, 2019

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.