Re: [dnsop] IPv6 DNS Discovery Issues

Tim Chown <tjc@ecs.soton.ac.uk> Thu, 04 March 2004 10:48 UTC

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Date: Thu, 04 Mar 2004 09:25:04 +0000
From: Tim Chown <tjc@ecs.soton.ac.uk>
To: dnsop@lists.uoregon.edu
Subject: Re: [dnsop] IPv6 DNS Discovery Issues
Message-ID: <20040304092504.GA8325@login.ecs.soton.ac.uk>
References: <Pine.GSO.4.58.0403011004160.21534@satapati-u10.cisco.com> <Pine.LNX.4.44.0403021419250.25370-100000@netcore.fi> <20040303075206.GA5337@1-4-5.net> <000d01c40116$d56375b0$cee725da@etri.re.kr> <20040303133425.GC13944@login.ecs.soton.ac.uk> <000a01c40183$473bee30$cee725da@etri.re.kr>
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Reply-To: Tim Chown <tjc@ecs.soton.ac.uk>

OK, thanks.

The document below I think has been accepted as a DHC WG document; Stig Venaas
presented it in Seoul.  There is also a (long) discussion about the issues
on the DHC mail list, which I will try to capture in the -01 draft.

Tim

On Thu, Mar 04, 2004 at 09:54:39AM +0900, Jaehoon Paul Jeong wrote:
> Hi Tim,
> 
> I am sorry you are not here :)
> Anyway, thanks for a good document.
> After reading your draft, I absolutely agree to your suggestion.
> 
> As you know, our RA option draft has already considered 
> both the renumbering situation and breakdown of DNS server.
>  http://www.ietf.org/internet-drafts/draft-jeong-dnsop-ipv6-dns-discovery-01.txt
> 
> Like in your draft, RA-based DNS Discovery uses Lifetime field to handle these cases.
> 
> We can see the contents of Section 6.2 of ours as follows;
> --------------------------------------------------------------------------------
>  Step (c) : For each DNS Server option, check the following: If the 
>               value of "Pref" and "Lifetime" fields is set to zero, 
>               delete the corresponding RDNSS entry from both DNS Server 
>               Cache and Resolver File in order to let the RDNSS not used 
>               any more for certain reason in network management, e.g., 
>               the breakdown of the DNS server and a renumbering 
>               situation. 
> --------------------------------------------------------------------------------
> 
> There is my opinion on Section 5, Solution Space of your draft.
> I perfer the third to the others, because it need not any addtional functions from current stateless DHCP.
> IMHO, we can inform IPv6 hosts of the change of configuration information through RA DNS option plus a hint flag.
> 
> Thanks.
> 
> Paul
> 
> ----- Original Message ----- 
> From: "Tim Chown" <tjc@ecs.soton.ac.uk>
> To: <dnsop@lists.uoregon.edu>
> Sent: Wednesday, March 03, 2004 10:34 PM
> Subject: Re: [dnsop] IPv6 DNS Discovery Issues
> 
> 
> > 
> > Hi Paul,
> > 
> > You may find some content here relevant for DNS discovery (or rather
> > re-discovery :)
> > 
> > http://www.ietf.org/internet-drafts/draft-chown-dhc-stateless-dhcpv6-renumbering-00.txt
> > 
> > Tim
> > 
> > On Wed, Mar 03, 2004 at 08:58:23PM +0900, Jaehoon Paul Jeong wrote:
> > > David and Rob,
> > > 
> > > Now, after Pekka has left the list of authors, 
> > > the rest are the following people;
> > > 
> > > T. Lemon 
> > > R. Droms
> > > R. Hinden
> > > M. Ohta
> > > Me
> > > 
> > > New volunteers are Juha Wiljakka, Suresh Satapati and Soohong Daniel Park.
> > > 
> > > Therefore, is it okay for these eight people to start work on the DNS draft?
> > > It seems to need a coordinator or editor for our work?
> > > 
> > > Thanks.
> > > 
> > > Paul
> > > 
> > > ----- Original Message ----- 
> > > From: "David Meyer" <dmm@1-4-5.net>
> > > To: "Pekka Savola" <pekkas@netcore.fi>
> > > Cc: <dnsop@lists.uoregon.edu>
> > > Sent: Wednesday, March 03, 2004 4:52 PM
> > > Subject: Re: [dnsop] IPv6 DNS Discovery Issues
> > > 
> > > 
> > > > 
> > > > >> As there seem to be enough (too many?) willing participants already, 
> > > > >> I'm withdrawing my "I'll work on it .. if I have to" name from the DNS 
> > > > >> discovery semi-DT hat.
> > > > 
> > > > Pekka,
> > > > 
> > > > Thanks for volunteering, and we'll keep an eye on the "if I have
> > > > to" state. 
> > > > 
> > > > Dave
> > > > .
> > > > dnsop resources:_____________________________________________________
> > > > web user interface: http://darkwing.uoregon.edu/~llynch/dnsop.html
> > > > mhonarc archive: http://darkwing.uoregon.edu/~llynch/dnsop/index.html
> > > > 
> > > 
> > > .
> > > dnsop resources:_____________________________________________________
> > > web user interface: http://darkwing.uoregon.edu/~llynch/dnsop.html
> > > mhonarc archive: http://darkwing.uoregon.edu/~llynch/dnsop/index.html
> > .
> > dnsop resources:_____________________________________________________
> > web user interface: http://darkwing.uoregon.edu/~llynch/dnsop.html
> > mhonarc archive: http://darkwing.uoregon.edu/~llynch/dnsop/index.html
> > 
> 
> .
> dnsop resources:_____________________________________________________
> web user interface: http://darkwing.uoregon.edu/~llynch/dnsop.html
> mhonarc archive: http://darkwing.uoregon.edu/~llynch/dnsop/index.html
.
dnsop resources:_____________________________________________________
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