Establishing connectivity in networks
CA 2330385 A1 · Owner: Internap Network Services Corporation · Inventors: Mcneill, Thomas G.; Ekstrom, Joseph J.; Moss, Stephen S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A network includes a number of domains ("layer 2 domains") interconnected by routers. Withing each domain, traffic is forwarded based on MAC addresses (or other data link layer addresses). The routes route traffic based on IP addresses or other network layer addresses. To restrict network connectivity a network administrator specifies connectivity groups each of which is a group of sub-networks that are allowed to communicate. The administrator also specifies which entities (MAC addresses ports, or user names) belong to the , same group. The entities may be in the same or different domains. A computer system automatically creates access control lists for routers to allow or deny …
Read the whole patent
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 April 22, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 22, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 22, 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
Timeline From CIPO dates
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.