한국전자통신학회논문지 (The Journal of the Korea institute of electronic communication sciences)

한국전자통신학회 (Korea Institute of Electronic Communication Science)
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패킷취합전송이 있는 MANET에서 IDS 성능

IDS Performance on MANET with Packet Aggregation Transmissions

  • 김영동 (동양대학교 정보통신공학과)
  • 투고 : 2014.04.11
  • 심사 : 2014.06.16
  • 발행 : 2014.06.30
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초록

블랙홀 공격은 라우팅 정보를 무단으로 변경하여 전송성능에 치명적인 영향을 초래할 수 있다. 블랙홀 공격에 대응하는 수단으로서 IDS(Intrusion Detection System) 또는 IPS(Intrusion Prevention System) 등을 사용할 경우 일정 정도의 전송성능을 개선할 수 있다. 본문에서는 블랙홀 공격이 발생되는 MANET(Mobile Ad-hoc Network)에서 IDS가 종단간 성능에 미치는 영향을 패킷취합전송 관점에서 분석한다. 성능분석은 NS-2를 기반으로 구축한 MANET 시뮬레이터를 사용하였으며, 음성 서비스인 VoIP(Voice over Internet Protocol) 트래픽을 대상으로 음성서비스 표준 성능 파라미터인 MOS(Mean Opinion Score), 연결율, 지연 및 패킷손실율을 분석하였고, 본 논문에서 제시한 성능팩터를 활용한 분석을 제시하였다. 성능분석 결과의 하나로 패킷취합전송을 사용하는 MANET에서 블랙홀 공격에 대비한 IDS 조건을 제시하였다.

Blackhole attacks having a unauthorized change of routing data will cause critical effects for transmission performance. The transmission performance will be improved to the a certain level by using or having IDS(Intrusion Detection System)/IPS(Intrusion Prevention System) as countermeasures to blackhole attacks. In this papar, the effects of IDS to ene-to-end performance of packet aggregation transmission are analyzed on MANET(Mobile Ad-hoc Network) with IDS under blackhole attacks. MANET simulator based on NS-2 is used to analyze performance parameters as MOS, connection ratio, delay and packet loss rate as standard performance parameters, an another performance factor which is suggested in this paper. VoIP(Voice over Internet Protocol) traffics, one of voice services, is used for performance analysis. A suggestion for IDS implementation on MANET with packet aggregations under blackhole is shown as one of results.

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참고문헌

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