List of Figures

• . Distinguer $\Delta\, y$ et $\mathrm{d}y$ !
• 1.2. Polygone admissible.
• 1.3. Point optimal.
• 3.1. Elementary waiting queue
• 3.2. Server side and customer side points of view
• 3.3. Waiting time distribution
• 3.4. Graphical proof of the Little's theorem (from Sinclair, 2006).
• 3.5. Experimental distribution of the residual service