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Probability-Based Message Forwarding Scheme with Buffer Management for Spray and Wait Routing Protocol

Spray and Wait 라우팅을 위한 확률 기반의 메시지 전달 방안 및 버퍼 관리 방안

  • Received : 2016.02.12
  • Accepted : 2016.06.09
  • Published : 2016.07.31

Abstract

Delay Tolerant Network (DTN) is a network that employed method of store-carry-forward in intermittently connected networks. In DTNs, routing and buffer management scheme are important to improve successful message delivery. This paper proposes an improve spray and wait routing protocol based on delivery probability to a destination. Also, a buffer management scheme is proposed to drop the queued messages according to the number of copies (L value). Simulation results show that the proposed method provides a better delivery ratio and lower communication overhead when compared to existing schemes such as Epidemic, PRoPHET and spray and wait.

Keywords

Delay Tolerant Network (DTN);Epidemic;PRoPHET;Spray and Wait;Buffer Management Policies

References

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Acknowledgement

Supported by : 정보통신기술진흥센터, 한국연구재단