11
V. Liberatore
Pervasive Computing
Overprovisioning
*Access networks
nAny flow can saturate the network
nExacerbated by TCP
*Attempt to use all the bandwidth
*Core network
nGood news
*Statistical multiplexing
*Relatively low rate flows
nBad news
*Not ready yet for VoIP [MTK02]
*Only 50Mbps over-provisioning on half of the paths [ASS03]