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首页> 外文期刊>Parallel and Distributed Systems, IEEE Transactions on >A Novel Message Scheduling Framework for Delay Tolerant Networks Routing
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A Novel Message Scheduling Framework for Delay Tolerant Networks Routing

机译：一种新型的时延容忍网络路由消息调度框架

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摘要

Multicopy routing strategies have been considered the most applicable approaches to achieve message delivery in Delay Tolerant Networks (DTNs). Epidemic routing and two-hop forwarding routing are two well-reported approaches for delay tolerant networks routing which allow multiple message replicas to be launched in order to increase message delivery ratio and/or reduce message delivery delay. This advantage, nonetheless, is at the expense of additional buffer space and bandwidth overhead. Thus, to achieve efficient utilization of network resources, it is important to come up with an effective message scheduling strategy to determine which messages should be forwarded and which should be dropped in case of buffer is full. This paper investigates a new message scheduling framework for epidemic and two-hop forwarding routing in DTNs, such that the forwarding/dropping decision can be made at a node during each contact for either optimal message delivery ratio or message delivery delay. Extensive simulation results show that the proposed message scheduling framework can achieve better performance than its counterparts.
机译：多副本路由策略已被认为是在延迟容忍网络（DTN）中实现邮件传递的最适用方法。流行病路由和两跳转发路由是用于延迟容忍网络路由的两种广为报道的方法，它们允许启动多个消息副本以增加消息传递比率和/或减少消息传递延迟。但是，该优点是以额外的缓冲区空间和带宽开销为代价的。因此，为了有效利用网络资源，重要的是提出一种有效的消息调度策略，以确定在缓冲区已满的情况下应转发哪些消息以及丢弃哪些消息。本文研究了一种用于DTN中的流行和两跳转发路由的新消息调度框架，从而可以在每次联系期间在节点上做出转发/丢弃决定，以实现最佳消息传递率或消息传递延迟。大量的仿真结果表明，所提出的消息调度框架可以实现比同类消息调度框架更好的性能。

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