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1. (WO2015046697) APPARATUS FOR DETECTING ABNORMAL INCREASE OF CONTROL PACKETS, METHOD THEREFOR, AND RECORDING MEDIUM

Pub. No.:    WO/2015/046697    International Application No.:    PCT/KR2014/003397
Publication Date: Fri Apr 03 01:59:59 CEST 2015 International Filing Date: Sat Apr 19 01:59:59 CEST 2014
IPC: H04L 12/26
Applicants: IDEAWARE INC.
주식회사 아이디어웨어
Inventors: CHA, Yang Myung
차양명
Title: APPARATUS FOR DETECTING ABNORMAL INCREASE OF CONTROL PACKETS, METHOD THEREFOR, AND RECORDING MEDIUM
Abstract:
The present invention relates to an apparatus for detecting an abnormal increase in control packets. The apparatus according to the present invention comprises: a collecting unit for collecting or capturing a plurality of packets mutually transmitted and received between a plurality of wireless terminal devices and a plurality of servers through a communication network; a measuring unit for classifying the packets collected or captured by the collecting unit according to each server identification information, and measuring the amount of control packets generated for each identification information with respect to each flag during the latest n-unit time; a recording unit for recording the number of control packets for each flag, generated during the last predetermined time on the basis of a current time, according to the unit time and calculating an average or maximum amount of the generated control packets by using information on the number of flags recorded during the predetermined time; and a determination unit for detecting an abnormal increase in the control packets by using the amount of generated control flags per unit time measured by the measuring unit, and an average value or a maximum value of an input amount of the control packets per unit time for each flag calculated by the recording unit.