Router software upgrade employing redundant processors
US6738826B1 · kind B1 · utility
17Cited by
21References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 24, 2000 |
| Grant date | May 18, 2004 |
| Priority date | — |
| Expiry date | Feb 24, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L45/563
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Systems and methods for replacing software controlling active routers while minimizing impact on network operation are provided by virtue of one embodiment of the present invention. The software replacement process takes advantage of packet processor redundancy. An active packet switching device to be reprogrammed is de-activated and a redundant packet switching device takes over. The no longer active packet switching device is reprogrammed before being reactivated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.