Network gateway

Definition: A network gateway is an internetworking system capable of joining together two networks that use different base protocols. A network gateway can be implemented completely in software, completely in hardware, or as a combination of both. Depending on the types of protocols they support, network

Network gateway

gateways can operate at any level of the  OSI model .
Because a network gateway, by definition, appears at the edge of a network, related capabilities like  firewalls  tend to be integrated with it. On home networks, a broadband routertypically serves as the network gateway although ordinary computers can also be configured to perform equivalent functions.

See also -  What Is a Default Gateway ?