Today(& Tomorrow) 1. Physical layer Application (Encoding Presentation 2. Datalink layer Session introduction Transport framing error Network coding, MAC, Datalink switched networks Physical 3. Broadcast-networks home networkinToday (& Tomorrow) 1. Physical layer. (Encoding) 2. Datalink layer introduction, framing, error coding, MAC, switched networks. 3. Broadcast-networks, home networking. Application Presentation Session Transport Network Datalink Physical