Re: [dhcwg] Anyone interested in continuing draft-ietf-dhc-dhcpv6-prefix-pool-opt?
Alexandru Petrescu <alexandru.petrescu@gmail.com> Thu, 29 August 2013 10:14 UTC
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Date: Thu, 29 Aug 2013 12:14:14 +0200
From: Alexandru Petrescu <alexandru.petrescu@gmail.com>
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To: Leaf Yeh <leaf.yeh.sdo@gmail.com>
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Subject: Re: [dhcwg] Anyone interested in continuing draft-ietf-dhc-dhcpv6-prefix-pool-opt?
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Hello Leaf, Problem statement text in the solution draft is one possible alternative. Another alternative is to start from scratch a problem statement draft that would cover the pool-opt draft as well as others mentioned in the thread. Not sure which way to go better. Alex Le 29/08/2013 11:52, Leaf Yeh a écrit : > Indeed, the draft might need more text on the Problem Statement for > the convincing power & easy understanding ... > > I guess the PS text should focus on the requirement of route > aggregation on PE for the customer's PD prefixes and the possible > solutions ... > > > Best Regards, Leaf > > > > -----Original Message----- From: dhcwg-bounces@ietf.org > [mailto:dhcwg-bounces@ietf.org] On Behalf Of Alexandru Petrescu Sent: > Friday, August 23, 2013 10:48 PM To: dhcwg@ietf.org Subject: Re: > [dhcwg] Anyone interested in continuing > draft-ietf-dhc-dhcpv6-prefix-pool-opt? > > 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 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