Re: [Openv6] Comments on draft-karagiannis-aponf-problem-statement-02
"Charles Eckel (eckelcu)" <eckelcu@cisco.com> Wed, 09 July 2014 20:46 UTC
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From: "Charles Eckel (eckelcu)" <eckelcu@cisco.com>
To: Tom Taylor <tom.taylor.stds@gmail.com>, "openv6@ietf.org" <openv6@ietf.org>
Thread-Topic: [Openv6] Comments on draft-karagiannis-aponf-problem-statement-02
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Date: Wed, 09 Jul 2014 20:46:04 +0000
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Subject: Re: [Openv6] Comments on draft-karagiannis-aponf-problem-statement-02
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On 7/9/14, 1:02 PM, "Tom Taylor" <tom.taylor.stds@gmail.com> wrote: >OK, I see I read too much into the APONF problem statement. Part of the >problem is that I assumed at the back of my mind that the upper-most box >in the figure was a management application, whereas AECON for sure >assumes it is an user application. Since the APONF problem statement is >talking about service development, I would modify the figure to show two >top boxes: > >End User Application, joined to devices with AECON input. > >Service Development Application, joined to Network Management >Application as already shown, but without AECON mediation. That sounds okay. > >I'm not quite happy with this because it isn't clear exactly how SFC >fits in with AECON. draft-conet-aeon-problem-statement-01 says: > "Flow characteristics communicated via AEON could be > used as input into an SFC classifier and it could be transported > as SFC metadata." >Does that mean SFC templates would go directly to devices? Perhaps, but I don’t have a clear picture of what an SFC template is. The SFC classifier is as defined in http://tools.ietf.org/html/draft-merged-sfc-architecture-00. I do not see any mention of an SFC template. Cheers, Charles >Tom Taylor > >On 09/07/2014 1:36 PM, Charles Eckel (eckelcu) wrote: >> Hi Tom, >> >> If I understand the diagram correctly, it would be more accurate to show >> AECON for a line from the "end user application" to ³individual >>devices², >> assuming individual devices are network elements (e.g. routers, >>switches, >> firewalls, etc.). AECON would not be used for end user application to >> network management application communication, at least not directly. >> >> Cheers, >> Charles >> >> On 7/8/14, 6:49 PM, "Tom Taylor" <tom.taylor.stds@gmail.com> wrote: >> >>> The APONF problem statement is definitely shaping up, although I think >>> there are still some extraneous elements that were pasted in from the >>> draft charter but don't really belong in the draft. I complained about >>> the presence of architectural descriptions in earlier versions, but I >>> suggest a summary figure showing the high-level architecture would be >>> helpful in the description of the different aspects of total problem as >>> they relate to different WGs. Here is the figure I have in mind, based >>> on my reading of the problem statement: >>> >>> --------------- >>> | End user | >>> | application | >>> --------------- >>> | >>> | >>> | >>> AECON-developed interface >>> SFC-developed model >>> --------------------- >>> | Network management | >>> | application | >>> ---------------------- >>> | >>> | APONF >>> | transport >>> | >>> | (SFC-developed >>> | templates?) >>> | >>> ---------------------- >>> | Network management | >>> | control | >>> | ... and then a | >>> | miracle happens :) | >>> | APONF-developed | >>> | mapping? | >>> ---------------------- >>> | >>> | >>> To individual devices >>> >... > >_______________________________________________ >Openv6 mailing list >Openv6@ietf.org >https://www.ietf.org/mailman/listinfo/openv6
- [Openv6] Comments on draft-karagiannis-aponf-prob… Tom Taylor
- Re: [Openv6] Comments on draft-karagiannis-aponf-… Zhouqian (Cathy)
- Re: [Openv6] Comments on draft-karagiannis-aponf-… Tom Taylor
- Re: [Openv6] Comments on draft-karagiannis-aponf-… Charles Eckel (eckelcu)
- Re: [Openv6] Comments on draft-karagiannis-aponf-… Tom Taylor
- Re: [Openv6] Comments on draft-karagiannis-aponf-… Charles Eckel (eckelcu)
- Re: [Openv6] Comments on draft-karagiannis-aponf-… JF Tremblay
- Re: [Openv6] Comments on draft-karagiannis-aponf-… Tom Taylor
- Re: [Openv6] Comments on draft-karagiannis-aponf-… karagian