From a practical point of view,
sensitivity testing involves breaking stable links and observing what
happens. When working with a test network, this is relatively easy.
You can disturb the network by removing an active interface, and
monitor how the change is handled by the network: how traffic is
rerouted, the speed of convergence, whether any connectivity is lost,
and whether problems arise in handling specific types of traffic. You
can also change the level of traffic on a network to determine the
effects on the network when traffic levels approach media saturation.
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