Use of replicated copies to improve database backup performance
US-2015378830-A1 · Dec 31, 2015 · US
Peer-to-peer N-way syncing in a decentralized environment
US9026490B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9026490-B2 |
| Application number | US-201213618767-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 14, 2012 |
| Priority date | Jun 21, 2005 |
| Publication date | May 5, 2015 |
| Grant date | May 5, 2015 |
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Abstract
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A technique for synchronizing a datum between a plurality of stores, wherein a version history is associated with the datum in each store. The version history has one or more entries, and each entry has an identifier and a value. The identifier identifies a store that has modified the datum, and indicates a number of modifications to the datum. When synchronizing the datum between stores, the version histories of the datum are compared to determine whether one version history is subordinate to another version history. The datum having the subordinate version history is then replaced with the datum having the dominant version history. Conflict resolution is required if the version histories are not identical, if the version histories do not have the same identifiers, and if one version history does not contain all of the identifiers with equal or greater values of those in the other version history.
First claim
Opening claim text (preview).
What is claimed is: 1. A computer-implementable synchronization method, comprising: initiating synchronization between first and second stores using at least one processor, the first store storing a first version of a datum and having a first history associated therewith, the second store storing a second version of the datum and having a second history associated therewith; determining whether the first and second histories identify subordinate and dominant versions of the datu…
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- G06F17/30578Primary
Physics · mapped topic
Cross-Sectional Technologies · mapped topic
Cross-Sectional Technologies · mapped topic
- G06F16/273Primary
Physics · mapped topic
Cross-Sectional Technologies · mapped topic
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Frequently asked questions
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- What does patent US9026490B2 cover?
- A technique for synchronizing a datum between a plurality of stores, wherein a version history is associated with the datum in each store. The version history has one or more entries, and each entry has an identifier and a value. The identifier identifies a store that has modified the datum, and indicates a number of modifications to the datum. When synchronizing the datum between stores, the v…
- Who is the assignee on this patent?
- Holt Joe, Freedman Gordie, Forstall Scott, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification G06F17/30578. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue May 05 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).