Impact of Mobility on Epidemic Broadcast in DTNs

  • Francesco Giudici
  • Elena Pagani
  • Gian Paolo Rossi
Part of the IFIP International Federation for Information Processing book series (IFIPAICT, volume 284)

The broadcast diffusion of messages in Delay Tolerant Networks (DTNs) is heavily dependent on the mobility of the nodes, since protocols must rely on contact opportunities among devices to diffuse data. This work is the first effort of studying how the dynamics of nodes affect both the effectiveness of the broadcast protocols in diffusing the data, and their efficiency in using the network resources. The paper describes three simple self-adaptive control mechanisms that keep the broadcast overhead low, while ensuring high node coverage. Those mechanisms characterize a family of protocols able to achieve some awareness about the surrounding environment, and to use this knowledge in order to improve performances. Simulation results allow to identify the winning mechanisms to diffuse messages in DTNs under different conditions.


Mobility Model Pause Time Infected Node Broadcast Protocol Delay Tolerant 
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Copyright information

© International Federation for Information Processing 2008

Authors and Affiliations

  • Francesco Giudici
    • 1
  • Elena Pagani
    • 1
  • Gian Paolo Rossi
    • 1
  1. 1.Information Science and Communication DepartmentUniversità degli Studi di MilanoItaly

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