Re: [dhcwg] Anyone interested in continuing draft-ietf-dhc-dhcpv6-prefix-pool-opt?
Alexandru Petrescu <alexandru.petrescu@gmail.com> Fri, 23 August 2013 14:48 UTC
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Date: Fri, 23 Aug 2013 16:48:28 +0200
From: Alexandru Petrescu <alexandru.petrescu@gmail.com>
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Subject: Re: [dhcwg] Anyone interested in continuing draft-ietf-dhc-dhcpv6-prefix-pool-opt?
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Le 23/08/2013 14:29, Leaf Yeh a écrit : [...] > That sounds a new chapter of this draft. I suspect I will have a chance to > join. :-) LOL :-) What would be the toc of this DHCPv6 Prefix Delegation and Relay Problem Statement? Alex > > > Best Regards, > Leaf > > > > ---------------------------------------------------------------------------- > ------------------------------------------------------------ > From: dhcwg-bounces@ietf.org [mailto:dhcwg-bounces@ietf.org] On Behalf Of > Bernie Volz (volz) > Sent: Friday, August 23, 2013 7:20 PM > To: mohamed.boucadair@orange.com > Cc: Ralph Droms; dhcwg@ietf.org WG > Subject: Re: [dhcwg] Anyone interested in continuing > draft-ietf-dhc-dhcpv6-prefix-pool-opt? > > BTW - I think I may have indicated this before, but does this really avoid > the need for configuration on the router (relay)? How are items such as the > link-address and next hop (dhcp server) addresses configured (rfc 3315 has a > multicast default)? So there is still a bunch of "manual" configuration > required? Admittedly you do say "more automation" but not really sure that > has a lot of value - perhaps we need a Dynamic Router Configuration BOF? > > - Bernie (from iPad) > > On Aug 23, 2013, at 2:15 AM, "mohamed.boucadair@orange.com" > <mohamed.boucadair@orange.com> wrote: > Hi Roberta, > > Yes, as indicated in the document, manual configuration is an option. but it > has its limits too. > > This proposal is a contribution to add more automation to network > configuration without requiring an additional dynamic protocol to drive how > aggregates are built in a router co-located with a requestor, and therefore > interact in a more dynamic fashion with a routing protocol (e.g., drive > route withdrawals, etc.). > > Of course, some routers can offer some features to optimize the size of > routing tables and prevent from injecting (very) specific entries. But still > this behavior is implementation-specific and does not provide the same > aggregation level as the one proposed in this document. > > Unlike implementation-specific behaviors, this proposal is deterministic > since it is fully controlled by the entity which has the full knowledge of > prefix related states and network policies: e.g., the server has the > knowledge of prefix assignment, prefix assignment policies, prefix > aggregates, etc. > > I confirm this option is not a per-customer configuration parameter. > > Cheers, > Med > > > De : Roberta Maglione [mailto:robmgl.ietf@gmail.com] > Envoyé : jeudi 22 août 2013 22:31 > À : BOUCADAIR Mohamed IMT/OLN > Cc : Ralph Droms; dhcwg@ietf.org WG > Objet : Re: [dhcwg] Anyone interested in continuing > draft-ietf-dhc-dhcpv6-prefix-pool-opt? > > Hello, > Maybe I'm missing something here, but I'm struggling to see the value added > by this new option in terms of route aggregation functionality. > Today with IPv4 if I need to summarize some routes I manually configure on > the router a summary/aggregate route and I announce it into the routing > protocol. Moving to IPv6 you could do the same thing, I don't quite get > what's wrong with that? > You say you would like to have an automatic way to tell the PE to aggregate > the routes, but if I understand correctly the proposal what you are doing > here is only moving the configuration of the summary route from the PE to > the DHCPv6 Server; what do you really save here? > In addition the route aggregation is not a per customer configuration, it > would be per box or per service configuration so why do you want to add it > to customers' profile in DCHPv6 Server? > Thanks > Roberta > > On Thu, Aug 22, 2013 at 9:45 AM, <mohamed.boucadair@orange.com> wrote: > Re-, > > IMHO, draft-ietf-dhc-dhcpv6-agentopt-delegate does not cover the same > objectives as in draft-ietf-dhc-dhcpv6-prefix-pool-opt. > > draft-ietf-dhc-dhcpv6-prefix-pool-opt aims to provide a dynamic means to > trigger route advertisement actions and to control the route aggregates to > be injected using a routing protocol. For example, a router can be told by > the DHCP server to advertise an aggregate even if not all individual > prefixes are assigned to customer located behind that router. This is a > measure that can help in optimizing routing tables and avoid injecting very > specific routes. Snooping the assignment and then guide the route > advertisement actions may not be lead to the same optimized routing tables, > because there will be "holes" that will prevent aggregating routes. > > Having an explicit channel like the one specified in > draft-ietf-dhc-dhcpv6-prefix-pool-opt is superior IMHO. > > Cheers, > Med > > >> -----Message d'origine----- >> De : dhcwg-bounces@ietf.org [mailto:dhcwg-bounces@ietf.org] De la part de >> Ralph Droms >> Envoyé : jeudi 22 août 2013 14:48 >> À : Alexandru Petrescu >> Cc : dhcwg@ietf.org WG >> Objet : Re: [dhcwg] Anyone interested in continuing draft-ietf-dhc-dhcpv6- >> prefix-pool-opt? >> >> >> On Aug 21, 2013, at 9:24 AM 8/21/13, Alexandru Petrescu >> <alexandru.petrescu@gmail.com> wrote: >> >>> Hi, >>> >>> One point I think is essential is the installment of routes in the DHCP >>> Relay upon Prefix Assignment. >>> >>> The base DHCPv6 Prefix Delegation RFC does not stipulate that DHCP must >>> install a route in the DHCP Relay upon delegation. >>> >>> This draft seems to at least assume it, and to describe much more about >>> it: how various parts of assigned prefixes are aggregated and >> communicated. >>> >>> I support it. >> >> After a quick read, draft-ietf-dhc-dhcpv6-agentopt-delegate seems to have >> been aimed at the same problem. If I have that right, it might be >> instructive to review the dhc WG mailing list discussion that lead to the >> abandonment of draft-ietf-dhc-dhcpv6-agentopt-delegate. >> >> - Ralph >> >>> >>> Alex >>> >>> Le 21/08/2013 14:41, mohamed.boucadair@orange.com a écrit : >>>> Hi Tomek, >>>> >>>> I do still think draft-ietf-dhc-dhcpv6-prefix-pool-opt documents a >>>> useful feature in order to have more automation and also control >>>> routes aggregation instead of relying on proprietary behaviors of >>>> each implementation. Of course, part of these objectives can be >>>> achieved if routes are installed manually or use an out of band >>>> mechanism to enforce routing aggregation policies. Still, the >>>> proposal in draft-ietf-dhc-dhcpv6-prefix-pool-opt is superior >>>> because the DHCP server has the knowledge of the prefix assignments; >>>> and therefore routes can be triggered with dhcpv6 . >>>> >>>> A way to progress with this document is to target the Experimental >>>> track. Based on the experience that will be gained in real >>>> deployments, the status can be revisited if required. >>>> >>>> Cheers, Med >>>> >>>>> -----Message d'origine----- De : dhcwg-bounces@ietf.org >>>>> [mailto:dhcwg-bounces@ietf.org] De la part de Tomek Mrugalski >>>>> Envoyé : lundi 19 août 2013 16:52 À : dhcwg Objet : [dhcwg] Anyone >>>>> interested in continuing draft-ietf-dhc-dhcpv6- prefix-pool-opt? >>>>> >>>>> During Berlin meeting chairs asked if there is still interest in >>>>> the prefix-pool-option. There was nobody interested in the work in >>>>> the room. The unanimous consensus in the room was to drop it. I >>>>> just wanted to confirm that on the list. >>>>> >>>>> If you are interested in this work, want to support it and >>>>> participate in it, please let us know by replying to the mailing >>>>> list. Otherwise we'll drop this work and mark that draft as a dead >>>>> WG document. >>>>> >>>>> Please respond within 2 weeks (until Sep. 2nd). >>>>> >>>>> Bernie & Tomek _______________________________________________ >>>>> dhcwg mailing list dhcwg@ietf.org >>>>> https://www.ietf.org/mailman/listinfo/dhcwg >>>> _______________________________________________ dhcwg mailing list >>>> dhcwg@ietf.org https://www.ietf.org/mailman/listinfo/dhcwg >>>> >>>> >>> >>> >>> _______________________________________________ >>> dhcwg mailing list >>> dhcwg@ietf.org >>> https://www.ietf.org/mailman/listinfo/dhcwg >> >> _______________________________________________ >> dhcwg mailing list >> dhcwg@ietf.org >> https://www.ietf.org/mailman/listinfo/dhcwg > _______________________________________________ > dhcwg mailing list > dhcwg@ietf.org > https://www.ietf.org/mailman/listinfo/dhcwg > > _______________________________________________ > dhcwg mailing list > dhcwg@ietf.org > https://www.ietf.org/mailman/listinfo/dhcwg > > _______________________________________________ > dhcwg mailing list > dhcwg@ietf.org > https://www.ietf.org/mailman/listinfo/dhcwg > >
- [dhcwg] Anyone interested in continuing draft-iet… Tomek Mrugalski
- Re: [dhcwg] Anyone interested in continuing draft… Leaf Yeh
- Re: [dhcwg] Anyone interested in continuing draft… mohamed.boucadair
- Re: [dhcwg] Anyone interested in continuing draft… Alexandru Petrescu
- Re: [dhcwg] Anyone interested in continuing draft… Tomek Mrugalski
- Re: [dhcwg] Anyone interested in continuing draft… mohamed.boucadair
- Re: [dhcwg] Anyone interested in continuing draft… Ted Lemon
- Re: [dhcwg] Anyone interested in continuing draft… Ted Lemon
- Re: [dhcwg] Anyone interested in continuing draft… Behcet Sarikaya
- Re: [dhcwg] Anyone interested in continuing draft… Ted Lemon
- Re: [dhcwg] Anyone interested in continuing draft… Alexandru Petrescu
- Re: [dhcwg] Anyone interested in continuing draft… Leaf Yeh
- Re: [dhcwg] Anyone interested in continuing draft… Sten Carlsen
- Re: [dhcwg] Anyone interested in continuing draft… Alexandru Petrescu
- Re: [dhcwg] Anyone interested in continuing draft… Alexandru Petrescu
- Re: [dhcwg] Anyone interested in continuing draft… Ole Troan
- Re: [dhcwg] Anyone interested in continuing draft… Jean-Francois.TremblayING
- Re: [dhcwg] Anyone interested in continuing draft… Sten Carlsen
- Re: [dhcwg] Anyone interested in continuing draft… Sten Carlsen
- Re: [dhcwg] Anyone interested in continuing draft… Ralph Droms
- Re: [dhcwg] Anyone interested in continuing draft… Bernie Volz (volz)
- Re: [dhcwg] Anyone interested in continuing draft… Leaf Yeh
- Re: [dhcwg] Anyone interested in continuing draft… Bernie Volz (volz)
- Re: [dhcwg] Anyone interested in continuing draft… mohamed.boucadair
- Re: [dhcwg] Anyone interested in continuing draft… Sten Carlsen
- Re: [dhcwg] Anyone interested in continuing draft… Leaf Yeh
- Re: [dhcwg] Anyone interested in continuing draft… Leaf Yeh
- Re: [dhcwg] Anyone interested in continuing draft… Ted Lemon
- Re: [dhcwg] Anyone interested in continuing draft… Leaf Yeh
- Re: [dhcwg] Anyone interested in continuing draft… Roberta Maglione
- Re: [dhcwg] Anyone interested in continuing draft… mohamed.boucadair
- Re: [dhcwg] Anyone interested in continuing draft… Leaf Yeh
- Re: [dhcwg] Anyone interested in continuing draft… Bernie Volz (volz)
- Re: [dhcwg] Anyone interested in continuing draft… Ole Troan
- Re: [dhcwg] Anyone interested in continuing draft… Bernie Volz (volz)
- Re: [dhcwg] Anyone interested in continuing draft… Ole Troan
- Re: [dhcwg] Anyone interested in continuing draft… mohamed.boucadair
- Re: [dhcwg] Anyone interested in continuing draft… sthaug
- Re: [dhcwg] Anyone interested in continuing draft… Leaf Yeh
- Re: [dhcwg] Anyone interested in continuing draft… Leaf Yeh
- Re: [dhcwg] Anyone interested in continuing draft… Alexandru Petrescu
- Re: [dhcwg] Anyone interested in continuing draft… Roberta Maglione
- Re: [dhcwg] Anyone interested in continuing draft… Leaf Yeh
- Re: [dhcwg] Anyone interested in continuing draft… Roberta Maglione
- Re: [dhcwg] Anyone interested in continuing draft… mohamed.boucadair
- Re: [dhcwg] Anyone interested in continuing draft… Leaf Yeh
- Re: [dhcwg] Anyone interested in continuing draft… Ralph Droms
- Re: [dhcwg] Anyone interested in continuing draft… Bernie Volz (volz)
- Re: [dhcwg] Anyone interested in continuing draft… Leaf Yeh
- Re: [dhcwg] Anyone interested in continuing draft… Leaf Yeh
- Re: [dhcwg] Anyone interested in continuing draft… Alexandru Petrescu
- Re: [dhcwg] Anyone interested in continuing draft… Leaf Yeh
- Re: [dhcwg] Anyone interested in continuing draft… Tomek Mrugalski
- [dhcwg] Announcing draft-petrescu-relay-route-pd-… Alexandru Petrescu