Advantages of IP O Future Network Requirements Broadband, Low Cost, Data/Voice/Multimedia stream ATM→AP ATM P Service loice Data QOS Guaranteed No Guarantee Efficiency Low(Packet-Cell) High(Packet+Packet Tech Evolution Multi Function(MSS) Broadband(Tera Router Preference Telco New Operator, ISPs Cost High Ow MMS Multi Service SwitchAdvantages of IP Advantages of IP Future Network Requirements : Future Network Requirements : Broadband, Low Cost, Data / Voice / Multimedia stream Broadband, Low Cost, Data / Voice / Multimedia stream - ATM → All IP Service QoS Efficiency Tech. Evolution Preference Cost ATM IP Voice Guaranteed Low(Packet→Cell) Data No Guarantee High(Packet→Packet) Multi Function(MSS) Broadband(Tera Router) Telco New Operator, ISPs High Low * MMS : Multi Service Switch