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DT-GPSR: Delay Tolerant-Greedy Perimeter Stateless Routing Protocol

DT-GPSR: 지연감내형 GPSR 라우팅 프로토콜
Authors: Jae-Choong Nam; You-Ze Cho;

DT-GPSR: Delay Tolerant-Greedy Perimeter Stateless Routing Protocol

Abstract

실제 이동 통신 환경은 불균일한 단말 분포와 이동성으로 인하여 링크 단절이 일어나는 경우가 빈번하다. 이러한 네트워크 환경에서 경로 수립 기반의 MANET 라우팅 프로토콜은 잦은 전송 실패를 야기하여 메시지 전달률을 감소시키고, 경로 재수립을 위한 제어 메시지를 많이 발생시켜 네트워크 효율성을 크게 저하시킨다. 반면 GPSR과 같은 위치 정보 기반 MANET 라우팅 프로토콜은 종단 간 경로 수립 절차 없이 hop-by-hop 라우팅을 수행하여 제어 메시지 발생을 최소화하지만, 중계 노드의 결손으로 인해 보이드(void)가 발생 할 경우 데이터 전달 실패 등 다양한 문제를 유발한다. 본 논문에서는 보이드로 인해 발생되는 라우팅 문제점들을 개선하기 위하여, GPSR 프로토콜에 확률 기반 Delay Tolerant Networking 기술이 결합된 DT-GPSR 프로토콜을 제안한다. NS-2 시뮬레이션을 통해 기존 GPSR 프로토콜 및 PRoPHET 프로토콜과의 성능을 비교하였으며, 제안 방안이 다양한 망의 변화에 대응하여 우수한 성능을 보임을 확인하였다.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
bronze