Providing PIM-SM support for mRSVP-TE based multicast virtual private networks
US9118564B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 28, 2013 |
| Grant date | Aug 25, 2015 |
| Priority date | — |
| Expiry date | Jan 1, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/185
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
In a source provider edge (PE) router, a method for supporting protocol independent multicast sparse-mode (PIM-SM) using multicast resource reservation protocol-traffic engineering (mRSVP-TE) comprising the steps of creating a protocol independent multicast (PIM) state, sending a first unicast data message to a rendezvous point (RP) PE router using the PIM state, wherein the first unicast data message is a PIM register message encapsulated as a unicast multiprotocol label switching (MPLS) packet, receiving a PIM join message from the RP PE router, wherein the PIM join message triggers creating a second PIM state, sending a second unicast data message to the RP PE router via a default multicast distribution tree (MDT) using the second PIM state, receiving a PIM register-stop message from the RP PE router, wherein the PIM register-stop message suspends sending the second unicast data message.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.