Taking Turns"MAC protocols Channel partitioning mac protocols o Share channel efficiently and fairly at high load o Inefficient at low load: delay in channel access, 1/N bandwidth allocated even if only 1 active node! Random access mac protocols o Efficient at low load: single node can fully utilize channel o High load: collision overhead aking turns" protocols Look for best of both worlds 5: Dat“Taking Turns” MAC protocols Channel partitioning MAC protocols:  Share channel efficiently and fairly at high load  Inefficient at low load: delay in channel access, 1/N bandwidth allocated even if only 1 active node! Random access MAC protocols  Efficient at low load: single node can fully utilize channel  High load: collision overhead “Taking turns” protocols Look for best of both worlds! 5: DataLink Layer 5-23