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. 19, 2009
Filed:
Dec. 18, 2003
Applicants:
Pankaj N. Parmar, Beaverton, OR (US);
David M. Durham, Hillsboro, OR (US);
Inventors:
Pankaj N. Parmar, Beaverton, OR (US);
David M. Durham, Hillsboro, OR (US);
Assignee:
Intel Corporation, Santa Clara, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus and method includes grouping filters to form a tree according to a bitmask. The bitmask includes entries indicating whether a value is assigned to an element of a filter. The method also includes receiving a packet that includes a particular bitmask, searching the tree to determine filters associated with the particular bitmask and the associated values, and returning a set of filters that are an intersection of the filters indicated by the associated values.