Th`ese de Doctorat de l'université Paris VI Pierre et Marie Curie Mlle ...
Th`ese de Doctorat de l'université Paris VI Pierre et Marie Curie Mlle ...
Th`ese de Doctorat de l'université Paris VI Pierre et Marie Curie Mlle ...
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List of Figures<br />
1 Notre architecture distribuée proposée pour l’allocation dynamique <strong>de</strong> la ban<strong>de</strong> passante 9<br />
2 Performances obtenues avec nos algorithmes d’allocation dynamique <strong>de</strong> la ban<strong>de</strong> passante<br />
dans le cas du scénario “Single-bottleneck” . . . . . . . . . . . . . . . . . . . . . 14<br />
2.1 Examples of bandwidth utility functions: (a) Elastic utility for data transfer applications,<br />
(b) Hard real-time utility for audio and vi<strong>de</strong>o applications, (c) utility for <strong>de</strong>lay-adaptive<br />
real-time applications and (d) utility for rate-adaptive real-time applications . . . . . . 24<br />
3.1 The proposed distributed architecture that supports dynamic bandwidth allocation . . 35<br />
6.1 Arrival time and duration of the connections offered to the n<strong>et</strong>work . . . . . . . . . . 53<br />
7.1 N<strong>et</strong>work topology with a single bottleneck . . . . . . . . . . . . . . . . . . . . . . 57<br />
7.2 Utility of an elastic application as a function of bandwidth . . . . . . . . . . . . . . 58<br />
7.3 Average total accepted load versus the average load offered to the n<strong>et</strong>work of Figure 7.1<br />
(all sources have the same utility function) . . . . . . . . . . . . . . . . . . . . . 59<br />
7.4 Average n<strong>et</strong>work extra-revenue versus the average load offered to the n<strong>et</strong>work of Figure<br />
7.1 (all sources have the same utility function) . . . . . . . . . . . . . . . . . . . . 59<br />
7.5 Average total accepted load as a function of the average load offered to the n<strong>et</strong>work of<br />
Figure 7.1 (Tu =40s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61<br />
7.6 Average n<strong>et</strong>work extra-revenue as a function of the average load offered to the n<strong>et</strong>work<br />
of Figure 7.1 (Tu =40s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61<br />
105