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Re: [Lsr] LSR Flooding Reduction Drafts - Moving Forward

John E Drake <jdrake@juniper.net> Fri, 24 August 2018 18:58 UTC

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From: John E Drake <jdrake@juniper.net>
To: "Les Ginsberg (ginsberg)" <ginsberg=40cisco.com@dmarc.ietf.org>, Peter Psenak <ppsenak=40cisco.com@dmarc.ietf.org>, "tony.li@tony.li" <tony.li@tony.li>
CC: "lsr@ietf.org" <lsr@ietf.org>, Jeff Tantsura <jefftant.ietf@gmail.com>, "Acee Lindem (acee)" <acee=40cisco.com@dmarc.ietf.org>
Thread-Topic: [Lsr] LSR Flooding Reduction Drafts - Moving Forward
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Date: Fri, 24 Aug 2018 18:58:31 +0000
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References: <8F5D2891-2DD1-4E51-9617-C30FF716E9FB@cisco.com> <C64E476F-1C00-435E-9C74-BEC3053377E8@gmail.com> <2F5FDB3F-ADCA-4DB4-83DA-D2BC3129D2F2@gmail.com> <5B7E78DD.90302@cisco.com> <172728E8-49E6-4F43-9356-815E1F4C22E7@gmail.com> <5B7FCAB3.6040600@cisco.com> <3D1DEC37-ACE7-4412-BB2E-4C441A4E7455@tony.li> <5B802DA2.4010208@cisco.com> <e74cef3014db4e1a86a5fe0d7b833afa@XCH-ALN-001.cisco.com>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/lsr/QSX4LpD5UiaUwM8fKTRjvlMuGvw>
Subject: Re: [Lsr] LSR Flooding Reduction Drafts - Moving Forward
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Les,

I think that Tony's draft already has a pretty good set of requirements:  https://tools.ietf.org/html/draft-li-dynamic-flooding-05#section-3

Yours Irrespectively,

John


> -----Original Message-----
> From: Lsr <lsr-bounces@ietf.org> On Behalf Of Les Ginsberg (ginsberg)
> Sent: Friday, August 24, 2018 12:17 PM
> To: Peter Psenak <ppsenak=40cisco.com@dmarc.ietf.org>; tony.li@tony.li
> Cc: lsr@ietf.org; Jeff Tantsura <jefftant.ietf@gmail.com>; Acee Lindem
> (acee) <acee=40cisco.com@dmarc.ietf.org>
> Subject: Re: [Lsr] LSR Flooding Reduction Drafts - Moving Forward
> 
> Building on what Tony L and Peter have already stated:
> 
> R1: Significant reduction in flooding overhead.
> 
> R2: Flooding reduction should not add significant delay to the flooding time
> 
> R3: Reliability of flooding MUST be maintained
> 
>    Les
> 
> 
> > -----Original Message-----
> > From: Lsr <lsr-bounces@ietf.org> On Behalf Of Peter Psenak
> > Sent: Friday, August 24, 2018 9:09 AM
> > To: tony.li@tony.li
> > Cc: lsr@ietf.org; Jeff Tantsura <jefftant.ietf@gmail.com>; Acee Lindem
> > (acee) <acee=40cisco.com@dmarc.ietf.org>
> > Subject: Re: [Lsr] LSR Flooding Reduction Drafts - Moving Forward
> >
> > Hi Tony,
> >
> > On 24/08/18 17:03 , tony.li@tony.li wrote:
> > >
> > > So, going Old Skool here:
> > >
> > > Since everyone agrees that this is a reasonable direction, how about
> > > we
> > have a real discussion on the list?
> > >
> > > Requirement number 1 is straightforward: a significant reduction in
> > flooding overhead.
> > >
> > > The basis for this requirement is the understanding that in a dense
> > topology, there is a great deal of redundancy due to flooding, and
> > that it is this redundancy that supersaturates the control plane.
> > >
> > > Do we agree on this?
> >
> > absolutely.
> >
> > I would add that the flooding reduction should not add significant
> > delay to the flooding time compared to the regular flooding case.
> >
> > thanks,
> > Peter
> >
> > >
> > > Tony
> > >
> > > .
> > >
> >
> > _______________________________________________
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> > Lsr@ietf.org
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