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:
Sep. 15, 2015
Filed:
Jul. 13, 2010
Yury Baskakov, Newton, MA (US);
Alexander Thomas Garthwaite, Beverly, MA (US);
Jesse Pool, Mountain View, CA (US);
Carl A. Waldspurger, Palo Alto, CA (US);
Rajesh Venkatasubramanian, San Jose, CA (US);
Ishan Banerjee, Santa Clara, CA (US);
Yury Baskakov, Newton, MA (US);
Alexander Thomas Garthwaite, Beverly, MA (US);
Jesse Pool, Mountain View, CA (US);
Carl A. Waldspurger, Palo Alto, CA (US);
Rajesh Venkatasubramanian, San Jose, CA (US);
Ishan Banerjee, Santa Clara, CA (US);
VMware, Inc., Palo Alto, CA (US);
Abstract
Page data of a virtual machine is represented for efficient save and restore operations. One form of representation applies to each page with an easily identifiable pattern. The page is described, saved, and restored in terms of metadata reflective of the pattern rather than a complete page of data reflecting the pattern. During a save or restore operation, however, the metadata of the page is represented, but not the page data. Another form of representation applies to each page sharing a canonical instance of a complex pattern that is instantiated in memory during execution, and explicitly saved and restored. Each page sharing the canonical page is saved and restored as a metadata reference, without the need to actually save redundant copies of the page data.