Edge Gateway
Formal
Edge gateway provides an entry point into enterprise or service provider core networks. The gateway node is considered to be on the "edge" of the network as all data must flow through it before coming in or going out of the network.
Practical
The gateway node is considered to be on the "edge" of the network as all data must flow through it before coming in or going out of the network. It may also translate data received from outside networks into a format or protocol recognized by devices within the internal network.
