Point to multi-point based multicast label distribution protocol local protection solution
US8976646B2 · kind B2 · utility
0Cited by
0References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 9, 2012 |
| Grant date | Mar 10, 2015 |
| Priority date | — |
| Expiry date | Jul 4, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L45/128
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
In one aspect, the disclosure includes an apparatus comprising a processor configured to function as a merge point (MP) in a point to multi-point (P2MP) backup label switching path (LSP) for a primary LSP, receive P2MP backup LSP information originating from a protected node, wherein the P2MP backup LSP information comprises the identity of a point of local repair (PLR), determine a backup label switching router (LSR), and send a message with the identity of the backup LSR to an upstream node.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.