期刊
IEEE COMMUNICATIONS SURVEYS AND TUTORIALS
卷 15, 期 1, 页码 387-401出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/SURV.2012.032612.00004
关键词
DTN routing; Social-based approaches; Social graphs; Social network analysis; Delay tolerant networks
资金
- US National Science Foundation (NSF) [CNS-0915331, CNS-1050398]
- National Science Foundation of China (NSFC) [61170212]
- Tsinghua National Laboratory for Information Science and Technology (TNList)
Delay tolerant networks (DTNs) may lack continuous network connectivity. Routing in DTNs is thus challenging since it must handle network partitioning, long delays, and dynamic topology in such networks. In recent years, social-based approaches, which attempt to exploit social behaviors of DTN nodes to make better routing decision, have drawn tremendous interests in DTN routing design. In this article, we summarize the social properties in DTNs, and provide a survey of recent social-based DTN routing approaches. To improve routing performance, these methods either take advantages of positive social characteristics such as community and friendship to assist packet forwarding or consider negative social characteristics such as selfishness. We conclude by discussing some open issues and challenges in social-based approaches regarding the design of DTN routing protocols.
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