Fast re-route in IP/MPLS networks and other networks using SONET signaling
US8130634B2 · kind B2 · utility
2Cited by
7References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 31, 2009 |
| Grant date | Mar 6, 2012 |
| Priority date | — |
| Expiry date | Aug 31, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L45/50
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A provider device determines that a failure has occurred in a link or path and notifies a customer device of the failure. The notifying causes the customer device to become aware of the failure in less than one second.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.