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Article #979

O/R address Equivalence

#979
From: Mark Sitler
Date: Tue, 12 Jan 1993 21:10
63 lines
2078 bytes
Is there anyone that has any experience with O/R Address attribute
list equivalence.  In particular I am referring to rule "c" of section
18.4 "Attribute list equivalence" of recomendation X.402.

It states:

  "Where the value of a standard attribute may be a printable string, an
   equivalent teletex string, or both, the choice between the three
   possibilities shall be considered insignificant."

This rule seems very ambigous and needs further qualification.  Let
me give an example.

I am setting up a names directory with the following
two entries.


                  User 1			User 2

 Attribute    Printable	Teletex         Printable Teletex
 ---------    --------- --------        --------- --------
  Country     US	   		US   			C
  ADMD 	      ANYADMD			ANYADMD
  Surname     Sitlere	Sitlere'	Sitlere	  Sitlere`

	Note:
		Sitlere' e-acute
		Sitlere` e-grave

Are these equivalent O/R addresses?  According to rule "c"
they are, and they are not.  The order in which you
compare attributes is significant.

Compare the printable and they are equivalent.
Compare the Teletex and they are not.
Compare the Printable and Teletex and they are not.

Here is another example:

I have two users in a directory.

 Attribute    Printable	Teletex         Printable Teletex
 ---------    --------- --------        --------- --------
  Country     US	   		US
  ADMD 	      ANYADMD			ANYADMD
  Surname     Sitler				  Sitler

Are these equivalent?  It depends upon how you interpret
rule "c".

Is there any documentation that gives a better explanation
of how 1988 O/R Addresses should be handled?  Can anyone
shed some light on this.

Thanks,
   Mark

mws@sitman.ssw.com
Mark Sitler
Soft-Switch Inc.
640 Lee Rd.
Wayne, Pa
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From: mws@sitman.ssw.com (Mark Sitler)
Subject: O/R address Equivalence
Message-ID: <9301122109.AA07979@sitman.ssw.com>
Newsgroups: comp.protocols.iso.x400
Approved: usenet@q2.ics.uci.edu
Lines: 66
Date: 12 Jan 93 21:10:17 GMT