Chapter 5: Summary
principles behind data link layer services:
- error detection, correction
- sharing a broadcast channel: multiple access
- link layer addressing, ARP
various link layer technologies
- Ethernet
- hubs, bridges, switches
- IEEE 802.11 LANs
- PPP
- ATM
- X.25, Frame Relay
journey down the protocol stack now OVER!
- Next stops: security, network management