28
V. Liberatore
Pervasive Computing
Ethernet
*IEEE 802.1p
nPriority
*Three bits, recommended values
n0-3=normal
n4-7=high
nMulticast control
*Multicast packets forwarded after unicast packets with same priority
*IEEE 802.1q
nObjective: create Virtual LANs (VLAN)
nCross-traffic, multicast control
nLocally administered