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  • 标题:Location-Based Deferred Broadcast for Ad-Hoc Named Data Networking
  • 本地全文:下载
  • 作者:Meng Kuai ; Xiaoyan Hong
  • 期刊名称:Future Internet
  • 电子版ISSN:1999-5903
  • 出版年度:2019
  • 卷号:11
  • 期号:6
  • 页码:139-156
  • DOI:10.3390/fi11060139
  • 出版社:MDPI Publishing
  • 摘要:The emerging connected and autonomous vehicles (CAVs) challenge ad hoc wireless multi-hop communications by mobility, large-scale, new data acquisition and computing patterns. The Named Data Networking (NDN) is suitable for such vehicle ad hoc networks due to its information centric networking approach. However, flooding interest packets in ad-hoc NDN can lead to broadcast storm issue. Existing solutions will either increase the number of redundant interest packets or need a global knowledge about data producers. In this paper, a Location-Based Deferred Broadcast (LBDB) scheme is introduced to improve the efficiency and performance of interest broadcast in ad-hoc NDN. The scheme takes advantage of location information to set up timers when rebroadcasting an interest. The LBDB is implemented in V-NDN network architecture using ndnSIM simulator. Comparisons with several existing protocols are conducted in simulation. The results show that LBDB improves the overhead, the average number of hops and delay while maintaining an average satisfaction ratio when compared with several other broadcast schemes. The improvement can help offer timely data acquisition for quick responses in emergent CAV application situations.
  • 关键词:Named Data Networking; Ad-Hoc Networking; Broadcast Storm Problem Named Data Networking ; Ad-Hoc Networking ; Broadcast Storm Problem
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