Using the Universal Character Set in the Domain Name System (UDNS)

摘要

Since the Domain Name System (DNS) [RFC1035] was created there havebeen a desire to use other characters than ASCII in domain names.Lately this desire have grown very strong and several groups havestarted to experiment with non-ASCII names. This document defineshow the Universal Character Set (UCS) [ISO10646] is to be used inDNS. It includes both a transition scheme for older softwaresupporting non-ASCII handling in applications only, as well as how touse UCS in labels and having more than 63 octets in a label.