Re: Question on draft-ietf-sipping-v6-transition-07

The dot before "invalid" indicates that "invalid" is a TLD. See also
section 2 of RFC 2606.

BTW, 3GPP TS 29.231 (http://3gpp.org/ftp/Specs/html-info/29231.htm)
describes the same for unspecified connection address.

So create whatever domain name you like within ".invalid" TLD. I think
"x.invalid" is a reasonably short one.

BR,
Som

-----Original Message-----
From: [email protected] [mailto:[email protected]] On
Behalf Of ext Dale Worley
Sent: Friday, February 05, 2010 20:30
To: Vijay K. Gurbani
Cc: Elwell, John; [email protected]
Subject: Re: [Sipping] Question on draft-ietf-sipping-v6-transition-07

On Thu, 2010-02-04 at 14:37 -0600, Vijay K. Gurbani wrote:
> On 02/03/2010 10:07 AM, Elwell, John wrote:
> > Presumably just "invalid" (alone, as opposed to "xxxx.invalid" would
be legal?
> 
> John: I think ".invalid" itself suffices, but I will defer to 
> Gonzalo's view on this.

Why have we put a leading "." on "invalid"?  We do not write, e.g.,
".bell-labs.com".  I know of no other place where a domain name is
written with a leading period.

Dale


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