System and method for creating and maintaining secondary server sites
US9110837B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 4, 2011 |
| Grant date | Aug 18, 2015 |
| Priority date | — |
| Expiry date | Jan 4, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2201/84
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Disaster Recovery (DR) and High-Availability (HA) are a critical features required by many information technology systems. DR and HA may be accomplished with a remote secondary site that is kept synchronized with a primary site. To reduce the cost of maintaining a secondary site, the data may be split into two subsets wherein only a first subset of data is kept synchronized at the secondary site using a small bandwidth communication link. The second set of data, which is generally much larger, is periodically backed up at a network accessible back-up location. When a disaster occurs, the secondary site may access the most recent back-up of the second set of data. In a maintenance or limited failure situation, the secondary site can directly access the second data set at the primary site.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.