1. A method for adapting error protection in a communication network, the method comprising: a step of determining periods of time that are homogeneous as regards the distribution law of losses over the network; a step of classifying the homogeneous periods of time into at least two classes, on the basis of information representing losses over the network and/or representing a corresponding level of protection against errors, during these periods of time; and a step of selecting a protection strategy on the basis of said classes.