Method and apparatus for forwarding multicast data by relaying IGMP group membership
US6654371B1 · kind B1 · utility
29Cited by
24References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 15, 1999 |
| Grant date | Nov 25, 2003 |
| Priority date | — |
| Expiry date | Apr 15, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/185
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method, apparatus and article of manufacture for forwarding multicast data by relaying IGMP group membership. A router is used to build a database of a plurality of interfaces and corresponding multicast groups, and the database is stored on the router. Information from the database is reported upstream to a multicast router. Multicast data is received from the multicast router and distributed to the plurality of interfaces based upon the database.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.