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Chen-MILCOM 2010

Intelligent Application Persistence in Tactical Wireless Networks

Chen et al

reliability persistence consistency manet tactical edge c2mincs

@article{chen:milcom-2010,
  title={Intelligent Application Persistence in Tactical Wireless Networks},
  author={Chen, T. and Kaul, V. and Sultan, F. and Parmeswaran, K. and
          Samtani, S. and Shur, D. and Kiernan, T. and Thomas, S. and
          Zimmerman, W.},
  booktitle={Military Communications Conference ({MILCOM})},
  year={2010},
  pages={893--898}
}

DTN may not be of use in many environments and applications

  • Depends on ideal data policies
    • No point bundling, retransmitting PLI when it'll just be broadcast again shortly
    • Only key parts of streaming media should be rebroadcast

Attempts to apply knowledge of application semantics to recover data as appropriate

  • Application state snapshots
  • Transcripts
  • Segments of streaming media

Extends HIF

  • Many MANETs interconnected by quasi-static upper-echelon backbone with higher bandwidth
  • This is where filtering really needs to happen

Network-based data transformation

Interest aware content distribution

Users manually request a resync; responses are unicast back to node

  • Spoofed locally, multicast with TTL 1 in order to avoid changing c2mincs API

MPEG7 can embed metadata that would be useful for only caching segments of interest

Current implementation simply replays most recent n seconds

  • Separate media stream since the original may be in use
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