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Re: uri handling of hosts is too restrictive

From: Sampo Syreeni <decoy@iki.fi>
Date: Fri, 6 Feb 2004 18:26:05 +0200 (EET)
To: Graham Klyne <GK@ninebynine.org>
Cc: Stephen Pollei <stephen_pollei@comcast.net>, uri@w3.org
Message-ID: <Pine.SOL.4.58.0402061715210.27313@kruuna.Helsinki.FI>

On 2004-02-06, Graham Klyne uttered:

>(There is a possible exception that I read RFC952/1123 to say that the
>*total* allowed length of a domain name must be at least 63 characters,
>so the per-domainlabel limit of 63 characters in the URI spec seems a
>little odd (though not strictly incorrect).

Not really, because the former number is a minimum. DNS (RFC1035)
explicitly permits domain names upto 255 octets long while limiting
individual domain labels to 63 octets. The limit is likely mirrored to
account for those hosts which do support longer names.
Sampo Syreeni, aka decoy - mailto:decoy@iki.fi, tel:+358-50-5756111
student/math+cs/helsinki university, http://www.iki.fi/~decoy/front
openpgp: 050985C2/025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2
Received on Friday, 6 February 2004 11:26:35 UTC

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