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Canadian application, no grantCanada

Bandwidth management for tunneling servers

CA 2432101 A1 · Owner: Perlmutter, Bruce · Inventors: Fu, Qiang; Xiang, Jing; Perlmutter, Bruce

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

Allocation of bandwidth to a link which is remotely displaced from a server is described. The link need not directly connected to the server. The server includes a process to assign a portion of the bandwidth to at least one application group; and count packets belonging to the application group that pass through the server. The server can be a VPN server that authenticates packets. Each application group includes packets that share a predefined configuration. Accodingly, the sever combines bandwidth management and packet authenfication with little overhead.

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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 19, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 19, 2021.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 19, 2023.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 19, 2001
GrantedNo grant recorded
Term endedDecember 19, 2021
Patent numberCA 2432101 A1
Classification (IPC)H04L12/00 +1 more

Timeline

Timeline From CIPO dates

2002200420062008201020122014201620182020Application filedDec 19, 2001Term endedDec 19, 2021

Sources & verification

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