Ip multicast management and service provision system and method
CA 2617451 C · Owner: General Instrument Corporation Of Delaware · Inventors: Mack, Robert E.; Vince, Lawrence D.; Jost, Arthur P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system (10), method (90) and apparatus (14) are provided for provisioning a multicast stream, such as an IP multicast stream in a network. The system , includes a first tier (12) such as a national backbone, with a first Multicast Address Discovery (MCAD) directory (34) and at least one second , tier having a headend such as a regional headend (14), with a second MCAD directory (36, 38). The system (10) includes a tiered MCAD directory network that allows the assignment of multicast addresses to multicast streams received from an upper tier MCAD directory. The tiered MCAD directory structure allows for requesting and storing stream descriptors and delivering stream descriptors …
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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 June 22, 2006 and granted October 8, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 22, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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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.