What is network address translation (nat) and how does it work in a network?

 Network address translation (NAT) is a method for designing the IP address and it basically operate on router. NAT usually connect two network together and translate the unique and private address into the legal address.

Network address translation is a technique that works in network  for re-mapping the IP address into another by modify the network address information into the IP packet header. NAT gateway are used for the entire private network.  

The network address translation use both the security and economical purpose in an organization to limit the public IP address.

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