
Mutual Authentication in IP Mobility-Enabled Multihop ◾ 121
35 50 65 80 95 110
0
5
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30
Average speed (km/h)
Authentication delay (ms)
MA-PMIP
Multihop PMIP and AMA
Figure 5.10 MA-PMIP authentication delay.
35 50 65 80 95
0
0.2
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0.6
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1
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Average speed (Km/h)
Authentication overhead
to payload ratio (%)
Multihop PMIP and AMA
MA-PMIP
Figure 5.11 MA-PMIP communication overhead. (From S. Céspedes, S. Taha,
and X. Shen, A multihop authenticated proxy mobile IP scheme for asymmetric
VANET, IEEE Transactions on Vehicular Technology, 62(7), 3271–3286, 2013.)