quaSI-stationary changes in system states observed by one type of traffic, due to changes in other traffic type s) ,are rare The holding times of long-lived traffic are much longer than those of short-lived traffic Short-lived traffic can approximately reach steady state while connections of long -lived remains d unchangequasi-stationary • changes in system states observed by one type of traffic, due to changes in other traffic type(s), are rare. ◦ The holding times of long-lived traffic are much longer than those of short-lived traffic. ◦ Short-lived traffic can approximately reach steady state while connections of long-lived remains unchanged. 16