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Article View: comp.protocols.iso.x400
Article #585

Uniqueness of X.400 address

#585
From: Tan Jin Ho
Date: Sat, 07 Nov 1992 16:12
37 lines
2017 bytes
Hi,
        I am new to the X.400 world. I found out the other day
that an X.400 (mnemonic) address conists of country, ADMD, PRMD,
organization, organizational unit, surname, given name, initials, 
and generational qualifier. If this is true, then I am afraid, 
the X.400 address is not unique. 
This is especially true in a Chinese community where
(1) some surnames are prevalent (e.g. Lim, Lee, Tan);
(2) there are a few very popular given names (e.g. Guo Hua, Jian Hua, ...)
(3) generational qualifiers are rare (never see one before)
(4) no middle name
How does people handle the uniqueness of X.400 address in this environment
 ? I can think of a simple solution but would like to hear from the net
(since I'm just starting to look at mail systems).

I was thinking of adding numbers to the name (e.g.
TAN Guo Hua 1, TAN Guo Hua 2, LEE Guo Hua 1, LEE Guo Hua 2). 
Where is the best place to put the numbers '1' and '2' ?
The originator uses the name say "Tan Guo Hua" and the user agent (after 
consulting the directory service) will pop up a list of recipients 
(with additional attributes) for the originator to select.

Does this sound like a reasonable solution ? How do people solve
this problem (I assume somebody else ran into this 
restriction before). The same thing happens to X.500 names too
right ?

While we are at it, has someone done any work on bringing X.400
address to the residential environment (street address, locality, ...)
? The Red Book mentioned a little about this, but is there any 
implementation that does this ?

Regards,
Jin-Ho
jinho@iti.gov.sg
^^^^^
I have 'uncommon' name 8^P
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Message-ID: <1992Nov7.161253.9388@iti.gov.sg>
Path: arc1-ca.pugleaf.net!sparky!uunet!van-bc!cs.ubc.ca!destroyer!caen!spool.mu.edu!yale.edu!jvnc.net!nuscc!iti.gov.sg!jinho

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Newsgroups: comp.protocols.iso.x400
Path: arc1-ca.pugleaf.net!sparky!uunet!van-bc!cs.ubc.ca!destroyer!caen!spool.mu.edu!yale.edu!jvnc.net!nuscc!iti.gov.sg!jinho
From: jinho@iti.gov.sg (Tan Jin Ho)
Subject: Uniqueness of X.400 address
Message-ID: <1992Nov7.161253.9388@iti.gov.sg>
Organization: National Computer Board, Singapore
Date: Sat, 7 Nov 1992 16:12:53 GMT
Lines: 37