US Patent 7793220 Scalable derivative services

Patent 7793220 was granted and assigned to Citrix Systems on September, 2010 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Citrix Systems

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7793220

Date of Patent

September 7, 2010

Patent Application Number

09767365

Date Filed

January 22, 2001

Patent Primary Examiner

‌

Doug Hutton

Patent abstract

An efficient method for parsing HTML pages identifies pages containing a mix of static and dynamic content. The pages are parsed to form abstract syntax trees (ASTs), which are then cached along with the pages. When a later version of a page is retrieved, it is compared against the cached version, and only those portions of the AST that contain different content are reparsed.