The identification of any commercial product or trade name does not imply endorsement or recommendation by NIST, nor is it intended to imply that the materials or equipment identified are necessarily the best available for the purpose. Mattia Lecci's activities were also supported by Fondazione CaRiPaRo under the grant "Dottorati di Ricerca 2018." A preliminary version of this paper proposing a simpler traffic model with fewer traffic traces was presented in [1].