6.1.1 Internet traffic 1. Elastic e Can adjust to changes in delay and throughput o E.g. common TCP and UDP application t E-Mail-insensitive to delay changes e FTP-User expect delay proportional to file size Sensitive to changes in throughput SNMP-delay not a problem, except when caused by congestion .Web(http)TelNet-SenSitivEtodelay o Not per packet delay -total elapsed time E. g. web page loading time For small items, delay across internet dominates For large items it is throughput over connection o Need some Qos control to match to demand3 6.1.1 Internet Traffic 1. Elastic Can adjust to changes in delay and throughput E.g. common TCP and UDP application ◼ E-Mail – insensitive to delay changes ◼ FTP – User expect delay proportional to file size  Sensitive to changes in throughput ◼ SNMP – delay not a problem, except when caused by congestion ◼ Web (HTTP), TELNET – sensitive to delay Not per packet delay – total elapsed time ◼ E.g. web page loading time ◼ For small items, delay across internet dominates ◼ For large items it is throughput over connection Need some QoS control to match to demand