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.
Patent No.:
Date of Patent:
Jun. 04, 2019
Filed:
May. 20, 2016
Huawei Technologies Co., Ltd., Shenzhen, Guangdong, CN;
HUAWEI TECHNOLOGIES CO., LTD, Shenzhen, CN;
Abstract
A malicious attack detection method includes: receiving, by a controller, a Packet-in message sent by a switch, where the Packet-in message includes a source host identifier and a destination host identifier of a data packet for which the switch does not find a flow entry; when determining that a host indicated by the destination host identifier does not exist in an SDN network, sending, by the controller, an abnormal flow entry to the switch; receiving, by the controller, a triggering count sent by the switch, where the triggering count is a quantity of times that the abnormal flow entry is triggered; and determining, according to the triggering count, whether a malicious attack is initiated. According to the method, a malicious attack from a host can be detected, a data processing volume of a controller can be reduced, and performance of the controller can be improved.