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:
Feb. 16, 2021

Filed:

May. 15, 2018
Applicant:

Barefoot Networks, Inc., Santa Clara, CA (US);

Inventors:

Patrick Bosshart, Plano, TX (US);

Michael Gregory Ferrara, Palo Alto, CA (US);

Jay Evan Scott Peterson, San Francisco, CA (US);

Assignee:

Barefoot Networks, Inc., Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/741 (2013.01); H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
H04L 45/74 (2013.01); H04L 45/54 (2013.01); H04L 69/22 (2013.01);
Abstract

A forwarding element includes data plane forwarding circuitry for forwarding data messages received by the forwarding element to other network elements in a network. The data-plane forwarding circuitry includes several snapshot-match circuitry units. Each snapshot-match circuitry unit compares a set of header fields of incoming data messages with a corresponding matching data. The data-plane forwarding circuitry also includes several snapshot-capture circuitry units. Each snapshot-capture circuitry units stores a set of header fields of data messages that matches a corresponding matching data.


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