Subject: [ipcdn] pktcMtaDevRealmName

From: "Randy Presuhn" <[email-masked]>
Date: Tue, 25 Jan 2005 19:38:19 -0800

Hi -

I think the use of SnmpAdminString for pktcMtaDevRealmName
might need some more thought.  The language about "all capitals"
and search operations using upper-case ASCII doesn't mesh
too well with SnmpAdminString.

Whether it makes any sense at all will depend on
whether Kerberos will ever permit realm names which are
not upper-case ASCII.  For several writing systems, there is
no upper-case/lower-case distinction.  Chinese, Thai, Cambodian, and
Japanese are just a few examples.  Even for languages written with the Roman
alphabet, there are problems.  German "?" (which supposedly cannot be capitalized, and
> should be transformed to "SS") is a classic example.
>
> If they're trying to future-proof things, they should take a
> careful look at
> http://www.unicode.org/versions/Unicode4.0.0/ch05.pdf#G21180
> as well as http://www.unicode.org/reports/tr15/, since they
> really should
> nail down which normalization form as well.  (Actually, the choice of
> normalization form is something we should have done in the definition
> of SnmpAdminString, but no one else wanted to touch the issue then.)
>
> My advice, not knowing what the future of Kerberos will be and how it
> will handle comparison of non-ascii realm names, is to just make this
> object a DisplayString, and to spell out exactly what
> characters are permitted.
>
> Randy

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