The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 26, 2015
Filed:
May. 14, 2012
Ying M. Gao, Beijing, CN;
Jia Huo, Beijing, CN;
Hong Xiao, Beijing, CN;
Yuan L. Yang, Beijing, CN;
Kai Zhang, Beijing, CN;
Xian Zou, Beijing, CN;
Ying M. Gao, Beijing, CN;
Jia Huo, Beijing, CN;
Hong Xiao, Beijing, CN;
Yuan L. Yang, Beijing, CN;
Kai Zhang, Beijing, CN;
Xian Zou, Beijing, CN;
International Business Machines Corporation, Armonk, NY (US);
Abstract
The present invention relates to the technical field of data or file synchronization. In particular, the present invention relates to a method and system for data synchronization using character string matching. Provided are a method, computer program product, and system for data synchronization between a source node and target node. An old copy and a new copy of data to be synchronized is received. A block map is generated according to the difference determined using character string matching between the old copy and the new copy. The block map, which includes the position information of unchanged blocks and the position information and contents of changed blocks, is transmitted to a target node.