It is very intelligent device in computer network. It can operate at any network layer in OSI model. In OSI model the most gateway operate at application layer and transport layer but it can operate at network layer as well as session layer. In short it can function at all seven layers of the OSI model. It can translate information between data formats or network with different protocols or architecture that’s why its work is complex than router. A gateway is a system that is capable of joining together two networks which use different protocols such as Ethernet and Token Ring. It translates one protocol into another protocol that’s why it is called protocol converter.
In computer server gateway acts as firewall and proxy server. A firewall is used to remove unwanted traffic and (more…)
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