RFC 1330 (rfc1330) - Page 2 of 87


Recommendations for the Phase I Deployment of OSI Directory Services (X



Alternative Format: Original Text Document



RFC 1330            X.500 and X.400 Plans for ESnet             May 1992


   1  Introduction  ...............................................    5
   1.1  Abstract and Introduction  ................................    5
   1.2  Structure of this Document  ...............................    5
   2  X.500 - OSI Directory Services  .............................    6
   2.1  Brief Tutorial  ...........................................    6
   2.2  Participation in the PSI White Pages Pilot Project  .......    7
   2.3  Recommended X.500 Implementation  .........................    7
   2.4  Naming Structure  .........................................    8
   2.4.1  Implications of the Adoption of RFC-1255 by PSI  ........    9
   2.4.2  Universities and Commercial Entities  ...................   10
   2.4.3  Naming Structure Below the o= Level  ..............   10
   2.5  Information Stored in X.500  ..............................   13
   2.5.1  Information Security  ...................................   14
   2.6  Accessing the X.500 Directory Service  ....................   14
   2.6.1  Directory Service via WHOIS  ............................   15
   2.6.2  Directory Service via Electronic Mail  ..................   15
   2.6.3  Directory Service via FINGER  ...........................   15
   2.6.4  Directory Service via Specialized Applications  .........   15
   2.6.5  Directory Service from PCs and MACs  ....................   16
   2.7  Services Provided by ESnet  ...............................   16
   2.7.1  X.500 Operations Mailing List  ..........................   17
   2.7.2  Accessing the X.500 Directory  ..........................   17
   2.7.3  Backbone Site Aliases  ..................................   18
   2.7.4  Multiprotocol Stack Support  ............................   18
   2.7.5  Managing a Site's X.500 Information  ....................   19
   2.7.5.1  Open Availability of Site Information  ................   19
   2.7.5.2  Access Methods for Local Users  .......................   19
   2.7.5.3  Limitations of Using ESnet Services  ..................   20
   2.8  ESnet Running a Level-0 DSA for c=US  .....................   20
   2.9  X.500 Registration Requirements  ..........................   21
   2.10  Future X.500 Issues to be Considered  ....................   21
   2.10.1  ADDMDS Interoperating with PRDMDS  .....................   21
   2.10.2  X.400 Interaction with X.500  ..........................   21
   2.10.3  Use of X.500 for NIC Information  ......................   22
   2.10.4  Use of X.500 for Non-White Pages Information  ..........   22
   2.10.5  Introduction of New X.500 Implementations  .............   22
   2.10.6  Interaction of X.500 and DECdns  .......................   22
   3  X.400 - OSI Message Handling Services  ......................   23
   3.1  Brief Tutorial  ...........................................   23
   3.2  ESnet X.400 Logical Backbone  .............................   25
   3.3  Naming Structure  .........................................   25
   3.3.1  Participating in the ESnet Private Management Domain  ...   25
   3.3.2  Operating a Site Private Management Domain  .............   26
   3.3.3  Detailed Name Structure  ................................   26
   3.4  X.400 Routing  ............................................   26
   3.4.1  Responsibilities in Operating an X.400 PRMD MTA  ........   28
   3.4.2  Responsibilities in Operating an X.400 Organizational MTA   29
   3.5  Services Provided by ESnet  ...............................   29



ESCC X.500/X.400 Task Force