[1]宋志华,暴建民,谢元发,等. 一种基于联络历史的车载容迟网络路由算法[J].计算机技术与发展,2016,26(07):196-199.
　SONG Zhi-hua,BAO Jian-min,XIE Yuan-fa,et al. A Routing Algorithm of Vehicular Delay Tolerant Network Based on Contact History[J].,2016,26(07):196-199.
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 一种基于联络历史的车载容迟网络路由算法()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
26
期数:
2016年07期
页码:
196-199
栏目:
应用开发研究
出版日期:
2016-07-10

文章信息/Info

Title:
 A Routing Algorithm of Vehicular Delay Tolerant Network Based on Contact History
文章编号:
1673-629X（2016)07-00196-04
作者:
 宋志华; 暴建民; 谢元发; 周雅
 南京邮电大学
Author(s):
 SONG Zhi-hua; BAO Jian-min; XIE Yuan-fa; ZHOU Ya
关键词:
 ; 移动车载容迟网络; 联络历史; CONHR算法; 容忍延迟网络
Keywords:
 ; VDTN; contact history; CONHR; delayed tolerant network
分类号:
TP301.6
文献标志码:
A
摘要:
 移动车载容迟网络( VDTN)是一种特殊的容忍延迟网络，其消息从一端到另一端由移动的车辆节点携带转发。由于不同源节点和目的节点之间端到端通信路径不存在，因此，移动车载容迟网络中端到端的联系是松散的，且导致传递消息至目的节点的可能性大幅度减小。因此，在移动车载自组织网络下应用的一系列路由算法不能很好地应用于VDTN。所以在VDTN中，路由算法成为一项具有挑战性的任务。文中提出了一种基于节点之间的联络历史的路由算法( CON-HR)，指的是通过已有联络历史记录的移动节点，比较中继计数区域中数值的大小，选择出最佳的移动节点，让其携带并转发消息至目的节点。这种历史记录包含每个移动节点过去遇到的中继节点的信息。结果显示，基于节点之间联络历史的路由算法( CONHR)与其他算法在消息投递率、平均时延、开销比上具有更好的表现。
Abstract:
 VDTN is a special delayed tolerant network,where messages are carried by moving vehicles from one end to another. Because there is no existence in the communication path from end to end between different source nodes and destination nodes,the relation from end to end is loose,and the possibilities of transferring messages to destination nodes decreases at a large scale. So a series of routing algo-rithms applied in the vehicle Ad-Hoc network cannot apply in VDTN greatly,routing algorithm in VDTN has become a challenging task. A routing algorithm based on contact history of nodes is proposed,which chooses the best moving nodes by nodes with contact history, and makes moving nodes whose relayed count is the biggest carry messages to destination nodes. The contact history contains information of relayed nodes which met with each node. The result suggests the routing algorithm based on contact history performs better in delivery ratio,average latency,overhead ratio than other algorithms.

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更新日期/Last Update: 2016-09-28