NDLI: A hybrid multiple copy routing algorithm in space delay-tolerant networks

Content Provider	Springer Nature Link
Author	Wan, Peng Chen, Shi Yu, Tao Hua, Zhongjie
Copyright Year	2016
Abstract	With the development of technology and applications in space delay-tolerant networks (SDTNs), increasing attention has been paid on the routing technologies between different DTN nodes. This paper proposes a novel hybrid multiple copy routing (HMCR) algorithm that can be applied not only to deterministic space scenarios but also to opportunistic space scenarios. HMCR combines contact graph and delivery probability metrics to make forwarding decisions. In order to verify the new HMCR algorithm’s performance, research work has been carried out to prove its availability in SDTNs. The analysis and simulation results show that, compared with other algorithms such as contact graph routing (CGR), Epidemic, and PRoPHET, the new HMCR algorithm performs well in the areas of message delivery ratios, average end-to-end delays, and transmission overhead, which proves to be suitable for highly dynamic SDTNs.混合式多拷贝路由算法力图将多拷贝路由策略转发的快速性与计算转发路由的智能性相结合, 构建基于最早到达的非实时连通路由, 在最大化利用已知链路信息进行CGR转发的同时, 通过引入随机转发方式有效避免对于先验知识的过度依赖, 既能防止过多的冗余拷贝对网络性能造成的负面影响, 又能避免由于单个消息在网络中转发可能遭遇的路由错误, 克服了CGR路由算法和随机路由算法的不足。
Starting Page	1
Ending Page	11
Page Count	11
File Format	PDF
ISSN	1674733X
Journal	Science in China Series : Information Sciences
Volume Number	60
Issue Number	4
e-ISSN	18691919
Language	Chinese
Publisher	Science China Press
Publisher Date	2016-11-17
Publisher Place	Beijing
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	space delay-tolerant networks routing algorithms contact graph routing hybrid single copy routing hybrid multiple copy routing Information Systems and Communication Service
Content Type	Text
Resource Type	Article
Subject	Computer Science

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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