Remote direct memory access enabled network interface controller switchover and switchback support
US6721806B2 · kind B2 · utility
92Cited by
9References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 5, 2002 |
| Grant date | Apr 13, 2004 |
| Priority date | — |
| Expiry date | Sep 24, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L69/16
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method, computer program product, and distributed data processing system for supporting RNIC (RDMA enabled NIC) switchover and switchback are provided. Using the mechanism provided in the present invention when a planned or unplanned outage occurs on a primary RNIC, all outstanding connections are switched over to an alternate RNIC, and the alternate RNIC continues communication processing. Additionally, using the mechanism provided in the present invention, connections can also be switched back.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.