Access Layer
- Same Logical Network
- Passes Traffic to Distribution Layer if destination is not on local network
- Connection point for user devices to connect to the network
- Lets local hosts share network resources like printers and other network devices / resources.
- Switches / Hubs
Distribution Layer
- Location that local networks converge.
- Routes traffic to other networks
- Switches / Routers
- Passes information to the Core Layer
- Keeps local traffic local
- Controls the flow of data between networks
- Filters traffic for security and management
Core Layer
- High Speed Backbone
- Large amounts of data passed between end networks
- High speed Routers and Switches
