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In networking, a gateway serves as a crucial link or entry point between different networks, enabling communication and data transfer between them. It functions as a node that connects disparate networks that use different protocols, allowing seamless interoperability. Gateways can operate at different layers of the networking stack, from the physical layer (e.g., converting between different types of physical connections) to the application layer (e.g., translating between different application protocols).<br><br>Gateways often perform protocol translation, packet filtering, and routing functions
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