A working method of an Internet DDoS defense system based on the Internet of Things

Abstract

The invention relates to a working method of an Internet DDoS defense system based on the Internet of Things, comprising the following steps: an OpenFlow controller obtains topology information; the information flow collection module collects the information flow propagated in the local area network. The OpenFlow controller calculates the packet update rate when the information flow is exchanged in the LAN switch and transmitted in the LAN. The flow monitoring module calibrates the information flow which exceeds or is lower than the message update speed limit value; the LAN adapter calculatesitself and the real-time processing rate of the LAN switch to the information flow; the configuration module adapts the packet update rate to the real-time processing rate. The OpenFlow controller transmits the adapted information stream to the corresponding LAN network. A LAN host compute selects that information flow retention with the correspond information flow message update rate according tothe real-time processing rate of the LAN host computer; the LAN host transmits the information flow which exceeds or is lower than the speed limit value of its own processing speed to the IOT equipment. A LAN switch diffuses the current flow of information that an IoT device currently has.

Description

technical field [0001] The invention relates to the field of network security, in particular to a working method of an Internet DDoS defense system based on the Internet of Things. Background technique [0002] With the rapid development and in-depth application of computer science and technology, changes in cyberspace are constantly changing and affecting people's way of life. As people rely more and more on the Internet, many confidential information about enterprises, individuals, and even countries are involved on the Internet, so the issue of network security has always been an important topic in the process of technological development. Among the many network attack methods existing on the Internet at present, Distributed Denial of Service Attack (Distributed Denial of Service Attack, DDoS for short) is the most common and highly destructive attack method. Most distributed denial-of-service attacks come from botnets, which cooperate with each other to launch denial-of...

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Problems solved by technology

[0004] Due to the simple method of DDoS attack and strong concealment, so far, there is no means to completely defend against this kind of attack; The defense of DDoS attack, the problem of being unable to make effective defense and counterattack to the attack in time under the attack of widely distributed DDoS like this, the present invention provides a kind of working method of the Internet DDoS defense system based on the Internet of Things

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