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Performance Evaluation of the new AODV Routing Protocol with Cross-Layer Design Approach

교차 계층 설계 기법을 사용한 새로운 AODV 라우팅 프로토콜 설계 및 성능평가

  • Jang, Jaeshin (Department of Electronic Telecommunications Mechanical & Automotive Engineering, Inje University) ;
  • Wie, Sunghong (Department of Electrical and Electronic Engineering, The Cyber University of Korea)
  • Received : 2020.03.03
  • Accepted : 2020.04.02
  • Published : 2020.06.30

Abstract

In this paper, we describe recent research results on AODV routing protocol, which is widely deployed at mobile ad hoc networks, and AODV related routing protocols with multi-path routing schemes. We suggest the critical problems which minimum hop routing schemes have, such as AODV routing protocol, and then, propose a new C-AODV routing protocol with two routing metrics: the primary metric is the hop count, the secondary metric is the sum of link delay times. We implemented C-AODV protocol by modifying AODV at the NS-3, and thus, elaborate on how we change the original AODV source code of NS-3 in order to implement the C-AODV scheme. We show numerical comparison of C-AODV scheme with the original AODV scheme and then, discuss how much the C-AODV enhances routing performance over AODV protocol. In conclusion, we present future research items.

본 논문에서는 이동 애드혹 네트워크에서 널리 사용되는 AODV 라우팅 프로토콜과 통신 노드의 이동성 때문에 발생하는 통신 경로 단절 등의 문제를 해결하기 위해 다중 경로설정을 지원하는 AODV 기법을 기반으로 개선된 다양한 연구 결과들을 분석한다. 그리고 AODV 기법이 사용하는 홉 기반 라우팅 기법의 문제점을 분석하고, 이를 개선하기 위해 홉 수를 주 메트릭으로 사용하면서 보조 메트릭으로 경로 지연시간의 합을 사용하는 새로운 C-AODV 라우팅 프로토콜을 설계하고, NS-3 네트워크 시뮬레이터에 구현하여 성능평가를 수행한다. 컴퓨터 시뮬레이션 성능평가 결과를 토대로 C-AODV 기법이 기존 AODV 기법과 비교하여 성능이 어느 정도 개선되는지 비교 분석하고 앞으로 개선할 사항 등을 제시한다.

Keywords

References

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