397961.fig.007a
(a) Average buffer usage for the case PGR = 0.01
397961.fig.007b
(b) Average buffer usage for the case PGR = 0.03
397961.fig.007c
(c) Average buffer usage for the case PGR = 0.04
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(d) Average buffer usage for the case PGR = 0.05
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(e) Average buffer usage for the case PGR = 0.07
Figure 7: Average Buffer Usage at different PGR.