Telecommunications Glossary of terms used on this site

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Term Definition
Network Address Translation

Network Address Translation (NAT) is the process of modifying network address information in datagram Internet Protocol or IP packet headers while in transit across a traffic routing device, remapping one IP address space into another. NAT is used in conjunction IP masquerading, where a private network IP address is translated, masked prior to exiting the local network. The NAT function uses stateful translation tables to map the "hidden" or private addresses into a single IP address, essentially readdressing the outgoing IP packets on exit so that they appear to originate from the router. In the reverse, responses are mapped back to the originating private IP address using the state or rules stored in the translation tables.

Aliases (separate with |): NAT
NIC

Network Interface Card

NNI

Network to Network Interface

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