mRSVP-TE based fast reroute in facility (1:N) protection mode
US9246696B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Jun 14, 2013 |
| Grant date | Jan 26, 2016 |
| Priority date | — |
| Expiry date | Dec 26, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W72/30
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An apparatus comprising a memory, and a processor coupled to the memory and configured to transmit a backup Label Switched Path (LSP) multicast Resource Reservation Protocol-Traffic Engineering (mRSVP-TE) path request (PATH) message upstream, wherein the backup LSP PATH message requests reservation of a first backup LSP to protect a first primary LSP configured to transmit multicast data, and wherein the backup LSP PATH message is transmitted to support a facility mode one to many (1:N) fast reroute protocol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.