Performance of a (σ, ρ) regulator. Consider the on-off MMP in Figure 24.3 as the unregulated source to a (σ, ρ) regulator (Section 15.2.1). Let σ = 1 and ρ = 1/2, with one token created every other time slot. What conditions on the “on” injection rate r1of the injection process are necessary so that this system is stable (that is, the packet queue in the regulator has a finite expected size)? Create a Markov chain model of this system to determine the average size of the regulators packet queue forSimulate this model for different values of r1, record the average queue size and use Little’s law, Equation 23.6, to also find the expected delay of the regulator.
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