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Re: [MBONED] deprecating MSDP

Tim Chown <Tim.Chown@jisc.ac.uk> Fri, 11 August 2017 21:42 UTC

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From: Tim Chown <Tim.Chown@jisc.ac.uk>
To: "jtk@aharp.iorc.depaul.edu" <jtk@aharp.iorc.depaul.edu>
CC: "Dale W. Carder" <dwcarder@es.net>, "mboned@ietf.org" <mboned@ietf.org>
Thread-Topic: [MBONED] deprecating MSDP
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Date: Fri, 11 Aug 2017 21:42:28 +0000
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Subject: Re: [MBONED] deprecating MSDP
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> On 11 Aug 2017, at 20:53, John Kristoff <jtk@depaul.edu> wrote:
> 
> On Tue, 25 Jul 2017 22:13:30 +0000
> "Dale W. Carder" <dwcarder@es.net> wrote:
> 
>> As was noted in the minutes, there is perhaps a significant set of the
>> multicast community (including ourselves) seriously considering 
>> turning off inter-domain MSDP for good.
> 
> I know two networks in our region that have already done so. One was
> us and it wasn't just MSDP, but all of inter-domain IP multicast I'm
> happy to keep reminding people about.  :-)

So SSM as well?

>> Related, I am curious what are the barriers to moving MSDP to historic 
>> status?  In RFC4611, that document differentiates intra-domain vs 
>> inter-domain MSDP.  For that matter, it does a pretty good job at
>> explaining the state of MSDP, but doesn't necessarily reflect what to 
>> do in deployments today.  
> 
> Since MSDP is specified as experimental, perhaps it is enough to
> just keep it as such and let RFC 4611 still reflect how you might use
> it if you choose to, but perhaps a new Informational RFC should be
> written to document the current state of IP multicast deployment?

I think consensus in Prague was sites could use it in their own organisation, but not to share sources outside.

And the document will hopefully be BCP.

Tim

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