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Single bcast + mobility Same number of stations Same data efficiency for CP and DP Different dynamics Take IETF wireless network, worst case ~700 stations New location within 10 minutes Average 1 MAC every 0.86 sec or 1.16 MAC/sec Note: every small switch in VLAN will see updates How does it work now??? Bridges (APs + switches) relearn MACs, expire old Summary: dynamics barely fit within comfort range |