Lightweight Directory Access Protocol (v3) - (IETF RFC 2251) designed to provide access to directories supporting the X.500 models, while not incurring the resource requirements of the X.500 Directory Access Protocol (DAP), Mark Wahl, Tim Howes and Steve Kille, December 1997
Lightweight Directory Access Protocol (v3): Attribute Syntax Definitions - (IETF RFC 2252) defines a set of syntaxes for LDAPv3, and the rules by which attribute values of these syntaxes are represented as octet strings for transmission in the LDAP protocol, Mark Wahl, Andy Coulbeck, Tim Howes and Steve Kille, December 1997