Smart immediate leave for internet group management protocol (IGMP) system
US8880737B1 · kind B1 · utility
3Cited by
27References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 29, 2007 |
| Grant date | Nov 4, 2014 |
| Priority date | — |
| Expiry date | Dec 10, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/64753
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Multicast delivery of channels of information using an Internet Group Management Protocol (IGMP) is improved by implementing a smart immediate leave to avoid either excessive bandwidth utilization or undesired gaps in deliver of an IGMP channel to a host, such as a set top box. The smart immediate leave technique checks a channel-host list associated with a network interface of a proxy or a Digital Subscriber Line Access Multiplexer (DSLAM) to ensure continued delivery of IGMP channel information to remaining hosts connected to the IGMP channel on the network serviced by the network interface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.