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:
Dec. 17, 2019

Filed:

Jan. 27, 2017
Applicant:

Caswell, Inc., New Taipei, TW;

Inventors:

Yen-Hsiang Chen, New Taipei, TW;

Jen-Chieh Cheng, New Taipei, TW;

I-Cheng Shen, New Taipei, TW;

Yuh-Shyan Chen, New Taipei, TW;

Tai-Xiang Liao, New Taipei, TW;

Assignee:

CASWELL, INC., New Taipei, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/741 (2013.01); H04L 29/06 (2006.01); H04L 12/931 (2013.01); H04L 12/721 (2013.01); H04L 12/743 (2013.01); H04L 12/751 (2013.01);
U.S. Cl.
CPC ...
H04L 45/745 (2013.01); H04L 45/38 (2013.01); H04L 45/54 (2013.01); H04L 45/7453 (2013.01); H04L 49/70 (2013.01); H04L 69/22 (2013.01); H04L 45/02 (2013.01);
Abstract

A packet processing method for a virtual switch is carried out in a virtual switch under the SDN architecture. The method presets a signature pre-computation table including plural destination addresses and signatures corresponding to the destination addresses. With the installation of the signature pre-computation table, the destination addresses fall into packets of the signature pre-computation table without requiring computing the signature of the packet. The method simply obtains the corresponding signature according to the destination address of the packet destination address, and thus saves the time required for processing a packet and improves the throughput of the virtual switch.


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