Probability-based spray and wait protocol in Delay Tolerant Networks

Eung-Hyup Kim, Jae-Choong Nam, Jae-In Choi, You-Ze Cho
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引用次数: 30

Abstract

Delay Tolerant Networks (DTNs) are one of the most interesting evolutions of MANETs. In DTNs which can be characterized by intermittent connectivity, frequent end-to-end path disruption and topology changes, mobile nodes are enabled to communicate with each other even if a route connecting them never exists. When considering routing protocols of DTNs, a forwarding decision and the buffer management scheme are important to improve the opportunity of successful message delivery. In this paper, we propose improved spray and wait routing based on the delivery probability. The simulation results show that the proposed method provides a better delivery ratio and lower communication overhead compared to existing schemes such as epidemic, spray and wait, and PRoPHET routing protocols.
时延容忍网络中基于概率的喷射和等待协议
容忍延迟网络(DTNs)是manet最有趣的演进之一。在以间歇性连接、频繁的端到端路径中断和拓扑变化为特征的ddn中,即使连接它们的路由从未存在,移动节点也能够相互通信。在考虑ddn路由协议时,转发决策和缓冲区管理方案对于提高消息成功传递的机会非常重要。在本文中,我们提出了改进的基于投递概率的喷雾和等待路由。仿真结果表明,与现有的epidemic、spray and wait和PRoPHET路由协议相比,该方法具有更高的投递率和更低的通信开销。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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