Re: [irs-discuss] An idea ... MTR + IRS
Tina TSOU <Tina.Tsou.Zouting@huawei.com> Wed, 08 August 2012 05:27 UTC
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From: Tina TSOU <Tina.Tsou.Zouting@huawei.com>
To: Alia Atlas <akatlas@gmail.com>
Thread-Topic: [irs-discuss] An idea ... MTR + IRS
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Date: Wed, 08 Aug 2012 05:24:56 +0000
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References: <501B150C.9080304@raszuk.net> <CACKN6JFMxAiF63XPyUtGxE85iA1WpCe9S_y=yB684HA=57OsgQ@mail.gmail.com> <C0E0A32284495243BDE0AC8A066631A81589DBDC@dfweml513-mbs.china.huawei.com> <CAG4d1rfKmEeTTuKAtuKzhHUwW47_1w1U4QfC=cffzUP01mJTEA@mail.gmail.com> <B36AC993-114B-42CB-B059-9FFC8F8A5CB6@huawei.com> <CAG4d1rcdV_m8VD=rCka6jK=y9yO7TvuNS=j0f0yxCUCvNQ5CfA@mail.gmail.com> <472BCA45-0462-45E0-BE89-339799915A9C@huawei.com> <CAG4d1reP=H4fSY=89vNyz9i+FWwf19v77+=hcYaZdnXqEQEL7w@mail.gmail.com>
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Cc: Edward Crabbe <edc@google.com>, "robert@raszuk.net" <robert@raszuk.net>, "irs-discuss@ietf.org" <irs-discuss@ietf.org>
Subject: Re: [irs-discuss] An idea ... MTR + IRS
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Alia, It is just to clarification. Just to confirm that draft-atlas and draft-ward state that IRS positions below the northboudapi in an orchestrator, and IRS includes both routing state and topo export. Is it correct understanding? Thank you. Tina > -----Original Message----- > From: Alia Atlas [mailto:akatlas@gmail.com] > Sent: Tuesday, August 07, 2012 9:38 PM > To: Tina TSOU > Cc: Edward Crabbe; robert@raszuk.net; irs-discuss@ietf.org > Subject: Re: [irs-discuss] An idea ... MTR + IRS > > Tina, > > Nitin made a single comment on this list that you are reading too much > into. > > I have written the two base drafts for IRS and am working on driving > the definition of the work that is proposed. The presentation that I > gave in Routing Area Open Meeting CLEARLY describes topology as not > only being in the proposed scope, but one of the more urgent items. > > Why are you NOT listening? > > Perhaps rereading the problem-statement and framework drafts would > help clarify your mental model? > > IRS does not talk about a northboundapi - there are applications that > can use IRS. How those applications communicate with other > applications is NOT in the proposed scope. > > Alia > > On Wed, Aug 8, 2012 at 12:07 AM, Tina TSOU > <Tina.Tsou.Zouting@huawei.com> wrote: > > So, r u updating Nitin's statement as following? > > > > Top layer: Northboundapi > > > > Middle layer: IRS > > > > Bottom layer: IRS (topo export) > > > > > > Tina > > > > On Aug 7, 2012, at 9:01 PM, "Alia Atlas" <akatlas@gmail.com> wrote: > > > > The requirement for topology export is DEFINITELY part of IRS. It is > > a crucial piece for a meaningful feedback loop. Clearly there are > > existing technology pieces that may have a role to play as well. > > > > Alia > > > > On Tue, Aug 7, 2012 at 10:40 PM, Tina TSOU > <Tina.Tsou.Zouting@huawei.com> > > wrote: > > > > Oh, I meant in Nitin's description in the mailing list, there are 3 > > sub-layers of a orchestrator. > > > > Top layer: Northboundapi > > > > Middle layer: IRS > > > > Bottom layer: topo export > > > > > > Therefore, the topo export is not part of IRS. It is another layer > which > > sits below IRS. > > > > > > Tina > > > > > > On Aug 7, 2012, at 5:30 PM, "Alia Atlas" <akatlas@gmail.com> wrote: > > > > > > Topology export is definitely under the umbrella of IRS - and we are > > > > actively starting to think about the associated requirements and > > > > use-cases. Feel free to contribute - on the list or towards drafts! > > > > > > Alia > > > > > > On Tue, Aug 7, 2012 at 6:23 PM, Tina TSOU > <Tina.Tsou.Zouting@huawei.com> > > wrote: > > > > Nitin said topo information export is on the sub-layer under IRS. > > > > > > > > > > Tina > > > > > > > > > > From: irs-discuss-bounces@ietf.org [mailto:irs-discuss- > bounces@ietf.org] On > > > > Behalf Of Edward Crabbe > > > > Sent: Tuesday, August 07, 2012 3:20 PM > > > > To: robert@raszuk.net > > > > Cc: irs-discuss@ietf.org > > > > > > > > Subject: Re: [irs-discuss] An idea ... MTR + IRS > > > > > > > > > > Robert, > > > > > > > > > > If topo information export is in scope (which I believe it is) and > PBR route > > > > injection with nh recursion to rib (and thus connected routes) is in > scope > > > > (which I'm quite sure it is) then yes, this is in scope. > > > > > > > > > > Although I'm not sure what it has to do with OF /OF controllers? ;P > > > > > > On Thu, Aug 2, 2012 at 5:02 PM, Robert Raszuk <robert@raszuk.net> > wrote: > > > > > > Hi, > > > > > > This morning Scott mentioned that he would like to use IRS to shut > down all > > > > protocols and just be able to write to RIB. Now James said that he > would > > > > like to get a network topology as "every OpenFlow controller requires > this" > > > > > > Both connected together resulted in an idea of using multi-topology- > routing > > > > where your base topology discovers physical link connectivity graph > while > > > > other topologies could be programmed by external entities example: OF > > > > controllers or any other external to routers network intelligence > oracles to > > > > deliver actual services ? > > > > > > Would that be in scope of IRS effort ? If so what would be the > proposed > > > > "write to RIB" set of protocols ? Would you support OF 1.3 even if > one would > > > > be happy to lock such topologies only to software/programmable > switching > > > > paths ? > > > > > > Best rgs, > > > > R. > > > > _______________________________________________ > > > > irs-discuss mailing list > > > > irs-discuss@ietf.org > > > > https://www.ietf.org/mailman/listinfo/irs-discuss > > > > > > > > > > > > _______________________________________________ > > > > irs-discuss mailing list > > > > irs-discuss@ietf.org > > > > https://www.ietf.org/mailman/listinfo/irs-discuss > > > >
- [irs-discuss] An idea ... MTR + IRS Robert Raszuk
- Re: [irs-discuss] An idea ... MTR + IRS Lin Han
- Re: [irs-discuss] An idea ... MTR + IRS Edward Crabbe
- Re: [irs-discuss] An idea ... MTR + IRS Thomas Nadeau
- Re: [irs-discuss] An idea ... MTR + IRS Tina TSOU
- Re: [irs-discuss] An idea ... MTR + IRS Alia Atlas
- Re: [irs-discuss] An idea ... MTR + IRS Tina TSOU
- Re: [irs-discuss] An idea ... MTR + IRS Alia Atlas
- Re: [irs-discuss] An idea ... MTR + IRS Tina TSOU
- Re: [irs-discuss] An idea ... MTR + IRS Alia Atlas
- Re: [irs-discuss] An idea ... MTR + IRS Tina TSOU
- Re: [irs-discuss] An idea ... MTR + IRS Alia Atlas
- Re: [irs-discuss] An idea ... MTR + IRS Robert Raszuk
- Re: [irs-discuss] An idea ... MTR + IRS David Meyer
- Re: [irs-discuss] An idea ... MTR + IRS Scott Whyte