<Li> A protocol translation / mapping gateway interconnects networks with different network protocol technologies by performing the required protocol conversions . </Li> <Li> Loosely, a computer or computer program configured to perform the tasks of a gateway . For a specific case, see default gateway . </Li> <P> Gateways, also called protocol converters, can operate at any network layer . The activities of a gateway are more complex than that of the router or switch as it communicates using more than one protocol . </P> <P> Both the computers of Internet users and the computers that serve pages to users are host nodes, while the nodes that connect the networks in between are gateways . For example, the computers that control traffic between company networks or the computers used by internet service providers (ISPs) to connect users to the internet are gateway nodes . </P>

What is meant by gateway in computer networks