A method for optimization of the avionics platform of an aircraft, intended to implement a set of avionics functions. The association between the platform's functional architecture elements (functions, functional links) and the elements of its equipment architecture (equipment, network paths, direct physical links) are formalized by sets of constraints in the form of linear inequalities of decision variables. Certain segregation or co-location functional constraints are also envisaged. Optimization of the avionics platform is achieved through the minimization of cost functions which are linearly dependent on said decision variables. This minimization under constraints is achieved in an effective manner by the Simplex algorithm.