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CCS-DTN: Clustering and Network Coding-Based Efficient Routing in Social DTNs

机译:CCS-DTN:社交DTN中基于群集和网络编码的有效路由

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摘要

With the development of mobile Internet, wireless communication via mobile devices has become a hot research topic, which is typically in the form of Delay Tolerant Networks (DTNs). One critical issue in the development of DTNs is routing. Although there is a lot research work addressing routing issues in DTNs, they cannot produce an advanced solution to the comprehensive challenges since only one or two aspects (nodes' movements, clustering, centricity and so on) are considered when the routing problem is handled. In view of these defects in the existing works, we propose a novel solution to address the routing issue in social DTNs. By this solution, mobile nodes are divided into different clusters. The scheme, Spray and Wait, is used for the intra-cluster communication while a new forwarding mechanism is designed for the inter-cluster version. In our solution, the characteristics of nodes and the relation between nodes are fully considered. The simulation results show that our proposed scheme can significantly improve the performance of the routing scheme in social DTNs.
机译:随着移动互联网的发展,通过移动设备进行的无线通信已成为研究的热点,其典型形式是时延容忍网络(DTN)。 DTN开发中的一个关键问题是路由。尽管有很多研究工作解决DTN中的路由问题,但由于在处理路由问题时只考虑了一个或两个方面(节点的移动,群集,中心性等),因此DTN不能为综合挑战提供高级解决方案。鉴于现有作品中的这些缺陷,我们提出了一种新颖的解决方案来解决社交DTN中的路由问题。通过此解决方案,移动节点被分为不同的集群。群集内部通信使用方案“ Spray and Wait”,而群集间版本设计了新的转发机制。在我们的解决方案中,充分考虑了节点的特性以及节点之间的关系。仿真结果表明,本文提出的方案可以显着提高社交DTN中路由方案的性能。

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