On 07 Feb 2018, at 8:36 PM, William A Rowe Jr <wr...@rowe-clan.net> wrote:

> But there is no argument for a name identifier >255 characters ... the cited 
> RFC
> and the filesystem and so many others use this as the conventional constraint
> on an identifier.
> 
> Why double that?

Because the part of the URL that matters to the admin might be at the end, as 
in Dirk’s example. If we’ve consumed the whole length on the hostname, we leave 
nothing for the URL itself.

Eg: https://very-very-long-hostname/foo/bar/baz/veryimportant1 and 
https://very-very-long-hostname/foo/bar/baz/veryimportant2

The burning question is - are these fields only used for debugging, and 
therefore an approximation is fine, or are they used for something else where 
precision is required?

Regards,
Graham
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