
16 ◾ Libo Song and David F. Kotz
© 2011 by Taylor & Francis Group, LLC
0.1
1
Direct
Random
Prediction
State
Prophet
Epidemic
10
100
1000
Unlimited 100 24 10 1
Message Time-to-live (TTL) (hours)
Figure 1.9 Mean of maximum storage usage across all nodes (log scale).
0
0.2
0.4
0.6
0.8
1
0 0.2 0.4 0.6 0.8 1
Probability reshold
Figure 1.10 Probability threshold impact on delivery ratio of timely contact
routing. We used threshold 0.01 for other plots.