[161028] in North American Network Operators' Group
Re: looking for terminology recommendations concerning non-rooted
daemon@ATHENA.MIT.EDU (Eric Brunner-Williams)
Fri Feb 22 17:10:18 2013
Date: Fri, 22 Feb 2013 14:10:02 -0800
From: Eric Brunner-Williams <brunner@nic-naa.net>
To: nanog@nanog.org
In-Reply-To: <20130222190105.GR455@dyn.com>
Reply-To: ebw@abenaki.wabanaki.net
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On 2/22/13 11:01 AM, Andrew Sullivan wrote:
> Without getting into metaphysics, we can think of the dot in the
> presentation format as representing the separators in the wire
> format. In the wire format, of course, these separators are octets
> that indicate the size of the next label. And since the final label
> is null, the separator indicates a zero length in the wire format.
> Therefore, in the presentation format, the final separator is
> indicative of the (null) root label after.
just keep in mind that while "." ought to be a label separator, the
utc's bidi algorithm allows the directionality of a label to "leak"
across the "period" character, where it is not a terminal character.
hilarity ensues.