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Re: [netmod] Last Call: draft-schoenw-netmod-rfc6021-bis-01 (20130204)

Martin Bjorklund <mbj@tail-f.com> Mon, 21 January 2013 08:47 UTC

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Date: Mon, 21 Jan 2013 09:47:50 +0100
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To: j.schoenwaelder@jacobs-university.de
From: Martin Bjorklund <mbj@tail-f.com>
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Subject: Re: [netmod] Last Call: draft-schoenw-netmod-rfc6021-bis-01 (20130204)
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Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> wrote:
> On Mon, Jan 21, 2013 at 09:35:43AM +0100, Martin Bjorklund wrote:
> > Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> wrote:
> > > On Mon, Jan 21, 2013 at 08:36:25AM +0100, Martin Bjorklund wrote:
> > > > The pattern for uuid is:
> > > > 
> > > >    pattern '[0-9a-fA-F]{4}-[0-9a-fA-F]{2}-[0-9a-fA-F]{2}'
> > > >          + '[0-9a-fA-F]{2}-[0-9a-fA-F]{6}';
> > > > 
> > > > it should be:
> > > > 
> > > >    pattern '[0-9a-fA-F]{4}-[0-9a-fA-F]{2}-[0-9a-fA-F]{2}-'
> > > >          + '[0-9a-fA-F]{2}-[0-9a-fA-F]{6}';
> > > 
> > > Yes, indeed. Fixed.
> > 
> > Actually, a collegue of mine just pointed out that it should be:
> > 
> >    pattern '[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-'
> >          + '[0-9a-fA-F]{4}-[0-9a-fA-F]{12}';
> 
> Why? I am trying to follow RFC 4122 section 3.

Yes.  It says e.g. 

      time-low               = 4hexOctet

but an hexOctet is defined as:

      hexOctet               = hexDigit hexDigit

so time-low consists of 8 hex digits.


/martin

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