Journal of the Korea Institute of Information and Communication Engineering (한국정보통신학회논문지)

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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Experimental Evaluation of Data Broadcast Storm in Vehicular NDN

차량 엔디엔 네트워크 안에 데이터 폭증 현상 실험적 평가

  • Lim, Huhnkuk (Division of Computer Engineering, Hoseo University)
  • Received : 2021.07.04
  • Accepted : 2021.07.07
  • Published : 2021.07.31
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Abstract

Future network architectures such as Named Data Networking (NDN) were born to change the way data can be transmitted from current host-centric network technologies to information-centric network technologies. Recently, many studies are being conducted to graft Vehicular NDN to the communication network technology of smart vehicles including connected vehicles. Explosion of data traffic due to Interest/Data packet broadcasting in Vehicular NDN environment is a very important problem to be solved in order to realize VNDN-based data communication. In this paper, the generation of data packet copies according to the increase in network size, vehicle speed, and frequency of interest packets in VNDN network is simulated and evaluated using ndnSIM, in order to show how severe the data broadcast storm phenomenon. The CDP(Copies of Data Packets) increased proportionally in the increase of network size or Interest frequency.

NDN (Named Data Networking)과 같은 미래 네트워크 아키텍처는 현재 호스트 중심 네트워크 기술에서 정보 중심 네트워크 기술로 데이터를 전송할 수 있는 방식을 변경하기 위해 탄생하였다. 최근 Vehicular NDN을 커넥티드 차량을 포함한 스마트 차량의 통신 네트워크 기술에 접목하기 위한 많은 연구가 진행되고 있다. Vehicular NDN 환경에서 Interest/Data 패킷 브로드 캐스팅으로 인한 데이터 트래픽 폭증은 VNDN 기반 데이터 통신을 실현하기 위해 해결해야 할 매우 중요한 문제이다. 본 논문에서는 데이터 브로드캐스트 폭풍 현상이 얼마나 심각하게 발생하는지를 보여주기 위해 VNDN 네트워크에서 네트워크 사이즈, 차량 스피드, 인터레스트 패킷 발생 빈도수의 증가에 따른 데이터 패킷 사본 발생을 ndnSIM을 이용하여 실험하고 평가한다. VNDN 안에 커넥티드 차량 수 및 Interest 패킷 발생 빈도수의 증가에 따라 중복된 데이터 패킷 처리량도 증가함을 확인하였다.

Keywords

Acknowledgement

This work was supported by the National Research Foundation of Korea(NRF) grant funded by the Korea government(Ministry of Science and ICT) (No. 2021R1A2C1010481)

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