ISO/IEC 10646
- "Information technology -- Universal Multiple-Octet Coded Character Set (UCS)"
- 4 octets per character (31-bit)
>= 2*10^9 characters
- Character-by-character compatibility with Unicode
- Joint-development between Unicode and ISO
- Win-Win partnership
- ISO better usable as a reference for national standards
- Unicode has industry-support and feedback
