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Method and apparatus providing for an improved virtual routing redundancy protocol

CA 2290267 A1 · Owner: Mujeeb, Hamayon · Inventors: Srikanth, Ayikudy K.; Mujeeb, Hamayon; Meehan, Tom

CIPO record

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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 router attached to a network is a member of a virtual router for the network in accordance with VRRP. A port or interface on the router other than a, port that attaches the router to the network is specified as critical. VRRP in not, enabled for the critical port. (Alternatively VRRP may be enabled for the , critical port to provide routing redundancy for a different network and would not affect, the virtual router associated with this network.) If the critical port on a master, virtual router fails or is otherwise unable to forward packets a state change , is, nevertheless triggered within the VRRP finite state machine that exists at the port, on the master virtual router for which …

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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 November 23, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 23, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 23, 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.
FiledNovember 23, 1999
GrantedNo grant recorded
Term endedNovember 23, 2019
Patent numberCA 2290267 A1
Classification (IPC)H04L45/00 +2 more

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedNov 23, 1999Term endedNov 23, 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.