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:
Nov. 24, 2009
Filed:
Oct. 13, 2005
Applicants:
Umesh Maheshwari, San Jose, CA (US);
R. Hugo Patterson, Mountain View, CA (US);
Inventors:
Umesh Maheshwari, San Jose, CA (US);
R. Hugo Patterson, Mountain View, CA (US);
Assignee:
Data Domain, Inc., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Verifying a file in a system with duplicate segment elimination is disclosed. A data file is segmented into a plurality of distinct data segments, and a checksum is computed for each of the plurality of distinct data segments. A constructed data file checksum is constructed from the checksums of each of the plurality of distinct data segments, and, it is determined if a checksum of the data file is the same as the constructed data file checksum.