Mobile 3 - Resources
Some QoS approaches are based on the network running largely underloaded
e.g. EF and AF may only work for IP telephony if it constitutes a small part of traffic
This is not the case on many wireless links today.
Need to look at hard QoS schemes - particularly for low latency (e.g. interactive voice/games) - even down to the level of limited frame/packet sizes - leads to interleave problems...