Stateful failover protection among routers that provide load sharing using network address translation (LSNAT)
US7139926B1 · kind B1 · utility
38Cited by
6References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 30, 2002 |
| Grant date | Nov 21, 2006 |
| Priority date | — |
| Expiry date | Jan 7, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L67/1034
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Failure protection is provided between two routers that are actively implementing load sharing using network address translation. Failure protection is achieved by generating state information at the two routers and then exchanging the state information between the two routers so that each router has a combined set of state information that can be used in the event of a failure of the other router.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.