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:
Nov. 20, 2018

Filed:

Aug. 18, 2016
Applicant:

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

Inventors:

Kai Qi, Hangzhou, CN;

Bailin Wen, Hangzhou, CN;

Fengwei Zhang, Hangzhou, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/741 (2013.01); H04L 12/703 (2013.01); H04L 12/26 (2006.01); H04L 12/715 (2013.01); H04L 12/931 (2013.01);
U.S. Cl.
CPC ...
H04L 45/54 (2013.01); H04L 43/026 (2013.01); H04L 45/28 (2013.01); H04L 45/64 (2013.01); H04L 49/70 (2013.01);
Abstract

A data packet forwarding solution, which relates to the field of network transmission. A virtual switch in the solution saves a flow entry as an aging flow entry deleted from a flow table in a switch, and receives a reporting data packet generated according to a forwarding data packet when the forwarding data packet fails to match each flow entry in the flow table in the switch and a secure channel between the switch and the controller is faulty, delivers an aging flow entry matching the reporting data packet from an aging flow table to the switch, where the aging flow table includes one or more flow entries that are deleted as aging flow entries from a flow table in the switch.


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