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.

Date of Patent:
Aug. 16, 2011

Filed:

Nov. 14, 2007
Applicants:

Garry Paul Epps, Sunnyvale, CA (US);

David Delano Ward, Somerset, WI (US);

John H. W. Bettink, San Jose, CA (US);

Christopher Yates Satterlee, Cupertino, CA (US);

Mohammed Ismael Tatar, Kanata, CA;

Clarence Filsfils, Brussels, BE;

Inventors:

Garry Paul Epps, Sunnyvale, CA (US);

David Delano Ward, Somerset, WI (US);

John H. W. Bettink, San Jose, CA (US);

Christopher Yates Satterlee, Cupertino, CA (US);

Mohammed Ismael Tatar, Kanata, CA;

Clarence Filsfils, Brussels, BE;

Assignee:

Cisco Technology, Inc., San Jose, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 1/00 (2006.01); H04L 12/26 (2006.01); H04L 12/28 (2006.01); H04L 12/56 (2006.01);
U.S. Cl.
CPC ...
Abstract

Real-time customer packet traffic is instrumented to determine measured delays between two or more points along a path actually traveled by a packet, such as within or external to one or more packet switching devices. These measurements may include delays within a packet switching device other than the ingress and egress time of a packet. These measured delays can be used to determine whether or not the performance of a packet switching device or network meets desired levels, especially for complying with a Service Level Agreement.


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