Protocols
The Directory Service is based on the client-server model. The DSA
server supports the directorySystemAC application context (DSP protocol) to
communicate with other DSAs. Communications between server DSAs and client DUAs
are supported by the directoryAccessAC application context (DAP protocol).
DAP enables DUAs in other X.500 implementations to access the Compaq
X.500 Directory Service DSA and vice-versa. DSP enables full interworking with
DSAs in other implementations.
The X.500 DSA server supports LDAPv2 and LDAPv3 protocols. Inclusion of
the LDAP interface enables the following clients to obtain directory
information:
- Internet Explorer
- Netscape
- Outlook
- Eudora
Standards
The Compaq X.500 Directory Service products are implemented according to
the 1993 edition of ISO/IEC 9594 and the ITU-T (formerly 'CCITT') X.500 series
of Recommendations. The products have successfully completed testing to the
Open Systems Testing Consortium (OSTC) 1988 X.500 conformance tests. The
conformance testing was carried out by the United Kingdom National Computer
Centre, an accredited OSTC testing centre, who produced OSTC test reports valid
in all European Community states. The products have been registered by the U.S.
National Institute of Standards and Technology (NIST) as conformant to U.S.
GOSIP.
The products are designed and implemented to conform, with some minor
exceptions, to the following European and US profiles:
NIST OIW Stable Implementor's Agreements - Version 5 edition 1
- ENV 41210
- ENV 41212
- ENV 41215
- ENV 41512
The product also supports, where applicable, the following Internet
standards:
- RFC 1006
- RFC 1274
- RFC 1277 (as it applies to TCP/IP networks)
- RFC 1278
The directory's LDAP functions conform to the following standards.
For LDAP V2:
- RFC 1777 Lightweight Directory Access Protocol
- RFC 1558 A String Representation of LDAP Search Filters
- RFC 1778 The String Representation of Standard Attribute
Syntaxes
For LDAP V3:
- RFC 2251 Lightweight Directory Access Protocol (v3)
- RFC 2252 Lightweight Directory Access Protocol (v3): Attribute Syntax
Definitions
- RFC 2253 Lightweight Directory Access Protocol (v3): UTF-8 String
Representation of Distinguished Names
- RFC 2254 The String Representation of LDAP Search Filters
- RFC 2255 The LDAP URL Format
- RFC 2256 A Summary of the X.500 (96) User Schema for use with LDAP
V3
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