Routing method in a label switching network
US8218432B2 · kind B2 · utility
6Cited by
8References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 24, 2007 |
| Grant date | Jul 10, 2012 |
| Priority date | — |
| Expiry date | Apr 27, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L45/50
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A head router (2) can be used for routing packets in a label-switching network (1), the packets initially being intended for a primary destination router (5). A request is sent to set up a primary path (8) between this head router (2) and the primary destination router (5) in the network (1), this request including a request to activate a back-up path (9) to a back-up destination router (7).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.