VPN failure recovery
US7647422B2 · kind B2 · utility
85Cited by
170References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 16, 2002 |
| Grant date | Jan 12, 2010 |
| Priority date | — |
| Expiry date | Apr 22, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L45/22
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An approach to rapid failover of a communication path between computers that are linked by redundant virtual links in a virtual private network (VPN) features detection of communication link and device failures through an active monitoring approach and re-routing of communication through a redundant link of the VPN when a failure is detected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.