http://www.rfc-editor.org/rfc/rfc1562.txt
RFC 1562: Naming Guidelines for the AARNet X.500 Directory Service, G. Michaelson, M. Prior1993-12-01T23:00:00-00:00This document is an AARNet (Australian Academic and Research Network) Engineering Note (AEN-001). AARNet Engineering Notes are engineering documents of the AARNet Engineering Working Group, and record current or proposed operational practices related to the provision of Internetworking services within Australia, and AARNet in particular. This memo provides information for the Internet community. This memo does not specify an Internet standard of any kind.