Re: [v6ops] PD to hosts [was: DAD again [was: draft-ietf-v6ops-host-addr-availability discussion] ]

<mohamed.boucadair@orange.com> Tue, 17 November 2015 15:39 UTC

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From: mohamed.boucadair@orange.com
To: Alexandre Petrescu <alexandre.petrescu@gmail.com>, "v6ops@ietf.org" <v6ops@ietf.org>
Thread-Topic: [v6ops] PD to hosts [was: DAD again [was: draft-ietf-v6ops-host-addr-availability discussion] ]
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Date: Tue, 17 Nov 2015 15:39:34 +0000
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Subject: Re: [v6ops] PD to hosts [was: DAD again [was: draft-ietf-v6ops-host-addr-availability discussion] ]
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Hi Alex, all,

Please see inline.

Cheers,
Med

> -----Message d'origine-----
> De : v6ops [mailto:v6ops-bounces@ietf.org] De la part de Alexandre
> Petrescu
> Envoyé : mardi 17 novembre 2015 12:12
> À : v6ops@ietf.org
> Objet : Re: [v6ops] PD to hosts [was: DAD again [was: draft-ietf-v6ops-
> host-addr-availability discussion] ]
> 
> 
> 
> Le 16/11/2015 18:53, Philip Homburg a écrit :
> >>> 1) How do packets reach the host. Is that documented somewhere?
> >>
> >> RFC3633 is largely silent on this, but when P is delegated to N, it
> >> is implied that the delegating router must somehow inject
> >> information into the routing system that will guide packets with
> >> destination address A to N.
> >
> > I wonder where this should be documented.
> 
> I agree it shoul dbe documented.
> 
> > There seem to be some other interesting interactions: a DHCPv6 server
> > running on a host should not hand out a PD to a host (because it
> > doesn't work), but can hand it out to a router. And can hand it out
> > when there request comes through a relay agent.
> >
> > A relay agent running on a router should install a routing table
> > entry if the PD request comes from a host.
> 
> Certainly yes.
> 
> In the past we tried a problem statement draft about how PD impacts
> routing at Relay.

[Med] Better with pointers: 

* https://tools.ietf.org/html/draft-petrescu-relay-route-pd-problem-00 

And 

* https://tools.ietf.org/html/draft-ietf-dhc-dhcpv6-prefix-pool-opt-03