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Application of Contact Graph Routing in Satellite Delay Tolerant Networks

ZHU Laitao LI Yong ZHANG Junxiang WU Jing TAI Xiao ZHOU Jianguo

ZHU Laitao, LI Yong, ZHANG Junxiang, WU Jing, TAI Xiao, ZHOU Jianguo. Application of Contact Graph Routing in Satellite Delay Tolerant Networks[J]. 空间科学学报, 2015, 35(1): 116-125. doi: 10.11728/cjss2015.01.116
引用本文: ZHU Laitao, LI Yong, ZHANG Junxiang, WU Jing, TAI Xiao, ZHOU Jianguo. Application of Contact Graph Routing in Satellite Delay Tolerant Networks[J]. 空间科学学报, 2015, 35(1): 116-125. doi: 10.11728/cjss2015.01.116
ZHU Laitao, LI Yong, ZHANG Junxiang, WU Jing, TAI Xiao, ZHOU Jianguo. Application of Contact Graph Routing in Satellite Delay Tolerant Networks[J]. Journal of Space Science, 2015, 35(1): 116-125. doi: 10.11728/cjss2015.01.116
Citation: ZHU Laitao, LI Yong, ZHANG Junxiang, WU Jing, TAI Xiao, ZHOU Jianguo. Application of Contact Graph Routing in Satellite Delay Tolerant Networks[J]. Journal of Space Science, 2015, 35(1): 116-125. doi: 10.11728/cjss2015.01.116

Application of Contact Graph Routing in Satellite Delay Tolerant Networks

doi: 10.11728/cjss2015.01.116
基金项目: Supported by the open project of Communication network transmission and distribution technologies Key Laboratory (ITD-12005/K1260011), the National Natural Science Foundation of China (61371126) and the National Natural Science Foundation of China (60903195)
详细信息
  • 中图分类号: V527

Application of Contact Graph Routing in Satellite Delay Tolerant Networks

Funds: Supported by the open project of Communication network transmission and distribution technologies Key Laboratory (ITD-12005/K1260011), the National Natural Science Foundation of China (61371126) and the National Natural Science Foundation of China (60903195)
  • 摘要: Satellite networks have many inherent advantages over terrestrial networks and have become an important part of the global network infrastructure. Routing aimed at satellite networks has become a hot and challenging research topic. Satellite networks, which are special kind of Delay Tolerant Networks (DTN), can also adopt the routing solutions of DTN. Among the many routing proposals, Contact Graph Routing (CGR) is an excellent candidate, since it is designed particularly for use in highly deterministic space networks. The applicability of CGR in satellite networks is evaluated by utilizing the space oriented DTN gateway model based on OPNET(Optimized Network Engineering Tool). Link failures are solved with neighbor discovery mechanism and route recomputation. Earth observation scenario is used in the simulations to investigate CGR’s performance. The results show that the CGR performances are better in terms of effectively utilizing satellite networks resources to calculate continuous route path and alternative route can be successfully calculated under link failures by utilizing fault tolerance scheme.

     

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出版历程
  • 收稿日期:  2014-01-24
  • 修回日期:  2014-07-03
  • 刊出日期:  2015-01-15

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