Study of IP Multimedia Traffic Running over ABR ATM Connections and Using Diffserv Policies Within the Internet Segments

Abstract

We analyze the behavior of multimedia IP traffic running over an ATM network following the CIOA (Classical IP and ARP over ATM) approach. We propose to apply the concept of Expedited Forwarding Per Hop Behavior (EF PHB) within the Internet segments. EF is one of the mechanisms proposed by the IETF for Differentiated Services on the Internet. In our proposal, EF is applied within the Internet routers at the IP layer combined with the ABR feedback information from the ATM network. In this study we are using realistic traffic models to achieve more accurate results and conclusions.