What is GATEWAY ?

What is GATEWAY ?
A gate is  an electronic device that can perform logical function. A gateway is a system that connects different architectures and environments and translate information from one network to the another network. Gateway is the collection of hardware and software.
A gateway used to communicate between two systems or networks that do not use the same protocols, data format, and architecture. Packets from different networks have different kinds of information in their headers, can be of different formats and architecture. The gateway can take a packet from one type of network, read the header and then encapsulates the entire packet into a new one, adding a header that is understood by second network.

 


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