Subject: [p2p-sip] Problem statement for P2P SIP NAT traversal

From: Saverio.Niccolini at netlab.nec.de (Saverio Niccolini)
Date: Wed, 8 Mar 2006 15:11:36 +0100

Hi all,

> Karst,
> 
> The draft does not make any specific assumption about IPv4 or IPv6.
> Particularly, it does not make the (potentially wrong) assumption
> that if the entire Internet had moved to IPv6, there would be no
> NATs anymore.

and moreover if all the workd has IPv6 without NAT and Firewalls, then
there
is no problem for P2P-SIP. You just get your IPv6 address and use this.
Thus no reason to include it is our draft since we are writing about
"Problem Statement for SIP-signalled Peer-to-Peer Communication across
Middleboxes".

Saverio

> Thanks,
> 
>     Juergen
> 
> --On 3/4/06 8:30 AM +0100 Karst Bjorgson wrote:
> 
> >
> >
> >
> > --- Jonathan Rosenberg <jdrosen at cisco.com> wrote:
> >
> >> Secondly, the draft says its an analysis of existing
> >> nat traversal
> >> techniques for sip. However, it omits the main SIP
> >> nat traversal
> >> techinque in its entirety - ICE and sip-outbound. I
> >> dont know how an
> >> analysis of the applicability of existing nat
> >> traversal techniques can
> >> be considered complete when it has missed the main
> >> standards in this area.
> >
> > The draft also fails to mention IPv6. I believe this
> > is a bit short-sighted. Microsoft is making a big push
> > for IPv6 in Windows Vista. Vista will include an
> > implementation of Teredo (RFC 4380), which provides
> > some pretty interesting NAT traversal facilities.
> >
> > -- Karst
> >
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