address translation

Address translation or address resolution may refer to:Address Resolution Protocol or ARP, a computer networking protocol used to find out the hardware address of a host (usually a MAC address), when only the network layer address is known.Reverse Address Resolution Protocol or RARP, a protocol used to find the network layer address of a host, based only on the hardware address. This protocol has been rendered obsolete by both BOOTP and DHCP.Domain name system or DNS, which is used to translate network addresses to human-recognizable domain names.
See more at Wikipedia.org...