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:
Jun. 02, 2015

Filed:

Jul. 05, 2013
Applicant:

Huawei Technologies Co., Ltd., Shenzhen, CN;

Inventors:

Yuanzhang Liu, Beijing, CN;

Yinghui Guo, Beijing, CN;

Yongle Sun, Beijing, CN;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 15/16 (2006.01); H04L 29/06 (2006.01); H04L 12/24 (2006.01); H04L 29/14 (2006.01); H04L 29/08 (2006.01);
U.S. Cl.
CPC ...
H04L 69/16 (2013.01); H04L 69/162 (2013.01); H04L 41/0663 (2013.01); H04L 69/40 (2013.01); H04L 67/16 (2013.01);
Abstract

The present invention discloses a backup method and backup device. The backup method for the TCP connection provided by embodiments of the present invention includes: processing a first input packet, and generating, according to a processing result of the first input packet, a new transmission control protocol status and a new socket status; backing up the generated transmission control protocol status and the generated socket status to a transmission control module of the standby board; sending a second input packet to an application module; receiving a first output packet; processing the first output packet, and generating, according to a processing result of first output packet, a new transmission control protocol status and a new socket status; and backing up the transmission control protocol status and the socket status. The present invention further discloses a backup device for a TCP connection.


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