Validity map-based tracking of user data updates
US9715520B1 · kind B1 · utility
1Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2013 |
| Grant date | Jul 25, 2017 |
| Priority date | — |
| Expiry date | Sep 26, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/2365
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus is disclosed for utilizing a validity map to indicate whether an overwriting data portion of user data is received. In the method and apparatus, a plurality of data portions of user data are received, whereby each data portion of the plurality of data portion may overwrite another data portion. A validity map may be utilized to indicate whether a data portion is an overwriting data portion. The validity map may be utilized for retrieving the data portion instead of the data portion being replaced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.