Three-tier is a hierarchical model:
Core - move large amounts of traffic as fast as possible. Majority of users
Distribution - routing, filtering, WAN access, NAT, firewalls, redistribution
Access - device connectivity
Three separate levels doesn’t necessarily mean three separate physical devices
Core - move large amounts of traffic as fast as possible. Majority of users
Distribution - routing, filtering, WAN access, NAT, firewalls, redistribution
Access - device connectivity
Three separate levels doesn’t necessarily mean three separate physical devices
