Growing your real-time network infrastructure increases the pressure onbackend services, especially billing, which becomes in most of the cases thebottleneck of the products offered. In this talk Dan will exemplify variousmechanisms and strategies implemented in CGRateS for improving the speed ofCDR rating and implicitly offloading the rest of components waiting forbilling to occur. CGRateS is a battle-tested Online Charging System withsupport for Prepaid, Postpaid, Pseudo-prepaid and Rated charging modes.