Possible Globally Unique Identifiers
<local-ID>-<registry>, e.g.
- RB366-RGNET (well-known registry map needed)
- RB366-whois.rg.net (FQDN of whois server)
Well-known Net-Unique IDs, e.g.
- randy@psg.com (email address, a distributed database)
- 0xB1331439 (PGP key, a replicated database)
- (X.400 - example needed)
Socially Unique IDs, e.g.