olemus
aadressiteisenduse meetod, mis vastendab
mitme sisehosti pordinumbrid ja privaataadressid
üheainsa avaliku IP-aadressiga ja ta TCP/UDP-portidega
=
mapping of port numbers and private IP addresses from multiple internal hosts to one public IP address

piltlikult
http://www.tcpipguide.com/free/diagrams/ipnatpat.png

ülevaateid
https://www.techopedia.com/definition/4027/network-address-port-translation-napt

https://help.it.ox.ac.uk/network-and-port-address-translation-nat/pat

http://www.tcpipguide.com/free/t_IPNATPortBasedOverloadedOperationNetworkAddressPor.htm

standard
https://www.ietf.org/rfc/rfc3022.txt (subsection 2.2)