Link layer LANs: outline 5.1 introduction, 5.5 link virtualization: services MPLS 5.2 error detection, 5.6 data center correction neTworking 5. 3 multiple access 5. 7 a day in the life of protocols a web request 5 4 LANS addressing, ARP Ethernet switches VLANS Link Layer 5-1Link Layer 5-11 Link layer, LANs: outline 5.1 introduction, services 5.2 error detection, correction 5.3 multiple access protocols 5.4 LANs ▪ addressing, ARP ▪ Ethernet ▪ switches ▪ VLANS 5.5 link virtualization: MPLS 5.6 data center networking 5.7 a day in the life of a web request