Protocol independent multicast last hop router discovery
US9030926B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 22, 2012 |
| Grant date | May 12, 2015 |
| Priority date | — |
| Expiry date | Apr 5, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/1881
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Disclosed is an apparatus comprising a first network node configured to transmit a first message to a second network node, wherein the first message comprises data designating the first network node as a member of a first multicast channel, and wherein the first message comprises data indicating a network address a third network node that is designated as a last hop router (LHR) of the first multicast channel. Also disclosed is a method comprising sending, by a first network node, a protocol independent multicast (PIM) join message, wherein the PIM join message comprises the network address of a PIM channel last hop router (LHR).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.