Network address translation
= Network address translation
{title2=NAT}
<Network address translation> maps <IP addresses> between address realms. State and path constraints can affect sessions. <Network address and port translation> additionally maps transport ports. Translation does not itself require decryption of application payloads.<Traditional IP Network Address Translator (Traditional NAT) (RFC 3022)>[Abstract and §§1–2: address and port translation, state and limitations]{ref}