Expediting reconvergence in a routing device
CA 2290297 A1 · Owner: Mclellan, Leigh · Inventors: Mclellan, Leigh; Chen, Geping; Rubino, William F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A technique for updating a routing table in a routing device operating over a logical, connection in a communication network utilizes a mechanism at a first protocol layer to, determine a logical connection status and trigger a routing table update at a second protocol, layer based upon the logical connection status. Specifically the first , protocol layer logic, monitors the status of the logical channels and, based on the status of the , logical channels determines the status of the logical connections. When the first protocol layer logic detects a, logical channel failure that results in a logical connection failure the , first protocol layer logic, triggers a routing table update by …
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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.
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.