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What is Network Address Translation (NAT) and what is it used for?

April 26, 2017address NAT Network Translation Used

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What is Network Address Translation (NAT) and what is it used for?

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Network Address Translation (NAT) translates multiple IP addresses on the private LAN to one public address that is sent out to the Internet. This adds a level of network security since the addresses of PCs connected to the private LAN are never transmitted over the Internet. NAT also allows the Gateway to be used with low-cost Internet accounts, such as DSL or cable modem, where only one Transmission Control Protocol/Internet Protocol (TCP/IP) address is provided by the Internet Service Provider (ISP). The user may have 253 private addresses behind this single address provided by the ISP.