1. A method for routing streams of traffic in IP networks or in mobile IP networks, characterized in that a plurality of streams of traffic to be transmitted are routed in such a way that they are transmitted in one carrier or context ( 7 ), wherein several streams of traffic for different destination networks ( 5 ; 6 ) and/or demands on transmission quality for the respective stream of traffic Quality of Service: QoS are merged and are transmitted from a terminal ( 3 ) via one carrier/context ( 7 ) to a network access node ( 4 ) of the IP network.via a carrier or context ( 7 ), wherein the transmission of the streams of traffic takes place regardless of whether they must be distinguished with regard to destination network and/or QoS.