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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학위논문
- 저자정보
- 지도교수
- 조유제
- 발행연도
- 2015
- 저작권
- 경북대학교 논문은 저작권에 의해 보호받습니다.
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초록· 키워드
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Delay Tolerant Networks (DTNs) do not guarantee end-to-end connectivity. Thus, since the path from a source to a destination is unstable in DTNs, conventional network routing protocols are unsuitable. Therefore, many routing protocols have been proposed for DTNs such as Epidemic, Spray and Wait and PRoPHET.
PRoPHET is a probabilistic routing protocol for DTNs. In PRoPHET, the delivery probability is calculated based on the history of encounters and transitivity. However, if two nodes meet frequently within a short time interval, the delivery probability between the two nodes is increased rapidly and distorts the mobility pattern.
Therefore, this paper presents an efficient routing protocol with considering contact duration for DTNs. In the proposed scheme, the effective contact duration when messages can be delivered is considered while calculating the delivery probability. Performance evaluation confirms that the proposed scheme have a higher delivery ratio and lower overhead ratio when compare to Epidemic, Spray and Wait and PRoPHET using the ONE simulator.
PRoPHET is a probabilistic routing protocol for DTNs. In PRoPHET, the delivery probability is calculated based on the history of encounters and transitivity. However, if two nodes meet frequently within a short time interval, the delivery probability between the two nodes is increased rapidly and distorts the mobility pattern.
Therefore, this paper presents an efficient routing protocol with considering contact duration for DTNs. In the proposed scheme, the effective contact duration when messages can be delivered is considered while calculating the delivery probability. Performance evaluation confirms that the proposed scheme have a higher delivery ratio and lower overhead ratio when compare to Epidemic, Spray and Wait and PRoPHET using the ONE simulator.
목차
I. 서 론 2II. 관련 연구 고찰 4제1절 DTN 개요 5제2절 대표적 DTN 라우팅 방안 62.1 Epidemic 라우팅 방안 62.2 Spray and Wait 라우팅 방안 92.3 PRoPHET 라우팅 방안 12III. 연결 지속 시간을 고려한 효율적인 라우팅 방안 18제1절 데이터 전달확률 관리 기법 19제2절 제안 방안의 동작 절차 23IV. 시뮬레이션 환경과 성능 분석 25제1절 시뮬레이션 환경 25제2절 성능 분석 312.1 성능 평가 요소 312.2 성능 평가 32V. 결 론 45참고문헌 46
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