Re: [v6ops] New Version Notification for draft-naveen-slaac-prefix-management-00.txt
Brian E Carpenter <brian.e.carpenter@gmail.com> Wed, 21 November 2018 21:45 UTC
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Subject: Re: [v6ops] New Version Notification for draft-naveen-slaac-prefix-management-00.txt
To: "Templin (US), Fred L" <Fred.L.Templin@boeing.com>, Mikael Abrahamsson <swmike@swm.pp.se>
Cc: Naveen Kottapalli <naveen.sarma@gmail.com>, 6man WG <ipv6@ietf.org>, v6ops list <v6ops@ietf.org>
References: <154155148848.30897.17784898234776136208.idtracker@ietfa.amsl.com> <50c10934-6ca8-00d0-73bd-cc6cf19ed213@gmail.com> <CANFmOt=DSi0Y=jBoNJFtFaJHDzFJ+61ZAN0L2a94efnfMBMh1w@mail.gmail.com> <430c94b29f3a49bd9fed24d8d78c6624@XCH15-06-08.nw.nos.boeing.com> <alpine.DEB.2.20.1811211109340.14216@uplift.swm.pp.se> <7ba4a7429e374385856002e361e0324e@XCH15-06-08.nw.nos.boeing.com> <alpine.DEB.2.20.1811211708220.14216@uplift.swm.pp.se> <51084397aa90410684c599a2cb1953d0@XCH15-06-08.nw.nos.boeing.com> <alpine.DEB.2.20.1811211724550.14216@uplift.swm.pp.se> <275c824aec1c46c9a4fd4775e97fa127@XCH15-06-08.nw.nos.boeing.com> <alpine.DEB.2.20.1811211903140.14216@uplift.swm.pp.se> <ccb7ae3b97c8430eb2422b2ed3c4505c@XCH15-06-08.nw.nos.boeing.com> <alpine.DEB.2.20.1811211920230.14216@uplift.swm.pp.se> <0f1eab2127ce49d2a7f3da56b053c741@XCH15-06-08.nw.nos.boeing.com> <0c56d7eb-e7a3-0640-9612-176c595897d0@gmail.com> <b8b6689d2cfe4985bfb8634661890674@XCH15-06-08.nw.nos.boeing.com>
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
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Date: Thu, 22 Nov 2018 10:45:19 +1300
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Just to raise a gripe: > What I am using is the standard linux "ip" command, as in: > > # ip route add <foo> > # ip route del <foo> > etc. And wouldn't life be better if the IETF didn't have an aversion to defining APIs, so that you could do that in an O/S independent way? Regards Brian On 2018-11-22 10:33, Templin (US), Fred L wrote: > Hi Brian, > >> -----Original Message----- >> From: Brian E Carpenter [mailto:brian.e.carpenter@gmail.com] >> Sent: Wednesday, November 21, 2018 11:59 AM >> To: Templin (US), Fred L <Fred.L.Templin@boeing.com>; Mikael Abrahamsson <swmike@swm.pp.se> >> Cc: Naveen Kottapalli <naveen.sarma@gmail.com>; 6man WG <ipv6@ietf.org>; v6ops list <v6ops@ietf.org> >> Subject: Re: [v6ops] New Version Notification for draft-naveen-slaac-prefix-management-00.txt >> >> On 2018-11-22 07:40, Templin (US), Fred L wrote: >>> Hi Mikael, >>> >>>> -----Original Message----- >>>> From: Mikael Abrahamsson [mailto:swmike@swm.pp.se] >>>> Sent: Wednesday, November 21, 2018 10:23 AM >>>> To: Templin (US), Fred L <Fred.L.Templin@boeing.com> >>>> Cc: Naveen Kottapalli <naveen.sarma@gmail.com>; Brian E Carpenter <brian.e.carpenter@gmail.com>; 6man WG <ipv6@ietf.org>; >>>> v6ops list <v6ops@ietf.org> >>>> Subject: RE: [v6ops] New Version Notification for draft-naveen-slaac-prefix-management-00.txt >>>> >>>> On Wed, 21 Nov 2018, Templin (US), Fred L wrote: >>>> >>>>> That particular example does not relate specifically to the DHCPv6-ND >>>>> proposal; the proposal is not out to solve interactions between SLAAC >>>>> and DHCPv6, but in this particular example common sense should prevail. >>>> >>>> I know, and that's why I don't like it. I want this problem solved, not >>>> glossed over. >>>> >>>>> The LDRA is a DHCPv6 relay agent like any other. The behavior of DHCPv6 >>>>> relay agents wrt prefix delegation is covered in RFC3633, Section 14. >>>> >>>> Errr, it's "covered" in the fact that it doesn't say how to do that. >>>> >>>> "If a delegating router communicates with a requesting router through >>>> a relay agent, the delegating router may need a protocol or other >>>> out-of-band communication to add routing information for delegated >>>> prefixes into the provider edge router." >>>> >>>> It doesn't say "inspect the relayed message and guess that you might need >>>> to install a route and keep state for that route". How do you do this? >>>> I have seen several relay implementations that relayed the message just >>>> fine but didn't install any route, leaving the PD useless for the end >>>> user. >>> >>> In a case that I care about, the delegating router and relay agent are on >>> one and the same platform. So, the delegating router does just what the >>> spec says, and the relay agent's needs are satisfied. Maybe Ole can say >>> more about what is expected when the delegating router and relay >>> agent are on different platforms. >> >> Since DHCPv6 is a separate entity from any routing protocol, this >> is a case where inside a single box they could be linked by a privately >> defined API > > What I am using is the standard linux "ip" command, as in: > > # ip route add <foo> > # ip route del <foo> > etc. > >> but in different boxes they would need a protocol, which >> could of course be either proprietary or standardised. > > Bernie contributed the point about relay agents gleaning route > info from the DHCPv6 messages they forward. Actually, that is > also what my LDRA code does, even though everything is all > together in the same box. > >> What's new here? > > Nothing - but, that is a good thing. > > Thanks - Fred > >> Brian
- Fwd: New Version Notification for draft-naveen-sl… Naveen Kottapalli
- Re: New Version Notification for draft-naveen-sla… Fred Baker
- Re: [v6ops] New Version Notification for draft-na… Ole Troan
- Re: [v6ops] New Version Notification for draft-na… Alexandre Petrescu
- Re: [v6ops] New Version Notification for draft-na… Ole Troan
- Re: [v6ops] New Version Notification for draft-na… Fred Baker
- RE: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Fred Baker
- RE: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Fred Baker
- Re: [v6ops] New Version Notification for draft-na… Ted Lemon
- Re: [v6ops] New Version Notification for draft-na… Alexandre Petrescu
- Re: [v6ops] New Version Notification for draft-na… Alexandre Petrescu
- RE: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- RE: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: New Version Notification for draft-naveen-sla… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Ole Troan
- RE: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Ole Troan
- RE: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Ole Troan
- RE: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Ole Troan
- RE: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Brian E Carpenter
- Re: [v6ops] New Version Notification for draft-na… Ole Troan
- RE: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Brian E Carpenter
- RE: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Ole Troan
- RE: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- RE: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Ole Troan
- Re: [v6ops] New Version Notification for draft-na… Brian E Carpenter
- RE: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Ole Troan
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Brian E Carpenter
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Ole Troan
- Re: [v6ops] New Version Notification for draft-na… Brian E Carpenter
- RE: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- RE: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Brian E Carpenter
- Re: [v6ops] New Version Notification for draft-na… Gert Doering
- RE: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- RE: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Mikael Abrahamsson
- Re: [v6ops] New Version Notification for draft-na… Ole Troan
- Re: [v6ops] New Version Notification for draft-na… Alexandre Petrescu
- Re: [v6ops] New Version Notification for draft-na… Alexandre Petrescu
- Re: [v6ops] New Version Notification for draft-na… Ole Troan
- Re: [v6ops] New Version Notification for draft-na… Alexandre Petrescu
- RE: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- RE: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- RE: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- RE: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Ole Troan
- RE: [v6ops] New Version Notification for draft-na… Mikael Abrahamsson
- RE: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- RE: [v6ops] New Version Notification for draft-na… Mikael Abrahamsson
- Re: [v6ops] New Version Notification for draft-na… Ole Troan
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Alexandre Petrescu
- RE: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- RE: [v6ops] New Version Notification for draft-na… Mikael Abrahamsson
- Re: [v6ops] New Version Notification for draft-na… Mikael Abrahamsson
- RE: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- RE: [v6ops] New Version Notification for draft-na… Mikael Abrahamsson
- RE: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Michael Richardson
- Re: [v6ops] New Version Notification for draft-na… Brian E Carpenter
- Re: [v6ops] New Version Notification for draft-na… Brian E Carpenter
- RE: [v6ops] New Version Notification for draft-na… Bernie Volz (volz)
- RE: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Brian E Carpenter
- Re: [v6ops] New Version Notification for draft-na… Fernando Gont
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Brian E Carpenter
- RE: [v6ops] New Version Notification for draft-na… Mikael Abrahamsson
- Re: [v6ops] New Version Notification for draft-na… Alexandre Petrescu
- Re: [v6ops] New Version Notification for draft-na… Ole Troan
- Re: [v6ops] New Version Notification for draft-na… Alexandre Petrescu
- RE: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- RE: [v6ops] New Version Notification for draft-na… Mikael Abrahamsson
- Re: [v6ops] New Version Notification for draft-na… Mark Smith
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Brian E Carpenter
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Alexandre Petrescu
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli