Multimedia Over Today's Internet TCP/UDP/IP:"best-effort service" no guarantees on delay,loss But you said multimedia apps requires QoS and level of performance to be effective! 2 Today's Internet multimedia applications use application-level techniques to mitigate (as best possible)effects of delay,loss 7:Multimedia Networking 7-117: Multimedia Networking 7-11 Multimedia Over Today’s Internet TCP/UDP/IP: “best-effort service”  no guarantees on delay, loss Today’s Internet multimedia applications use application-level techniques to mitigate (as best possible) effects of delay, loss But you said multimedia apps requires QoS and level of performance to be effective! ? ? ? ? ? ? ? ? ? ? ?