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Re: [Idr] Martin Duke's No Objection on draft-ietf-idr-ext-opt-param-11: (with COMMENT)

John Scudder <jgs@juniper.net> Wed, 21 April 2021 21:57 UTC

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From: John Scudder <jgs@juniper.net>
To: Martin Duke <martin.h.duke@gmail.com>
CC: The IESG <iesg@ietf.org>, "draft-ietf-idr-ext-opt-param@ietf.org" <draft-ietf-idr-ext-opt-param@ietf.org>, "idr-chairs@ietf.org" <idr-chairs@ietf.org>, "idr@ietf. org" <idr@ietf.org>, Hares Susan <shares@ndzh.com>, "aretana.ietf@gmail.com" <aretana.ietf@gmail.com>
Thread-Topic: Martin Duke's No Objection on draft-ietf-idr-ext-opt-param-11: (with COMMENT)
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Date: Wed, 21 Apr 2021 21:57:30 +0000
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Subject: Re: [Idr] Martin Duke's No Objection on draft-ietf-idr-ext-opt-param-11: (with COMMENT)
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Hi Martin,

> On Apr 21, 2021, at 1:39 PM, Martin Duke via Datatracker <noreply@ietf.org> wrote:
...
> ----------------------------------------------------------------------
> COMMENT:
> ----------------------------------------------------------------------
> 
> I agree with Rob. Though not at all an expert on BGP, I think that if BGP nodes
> MUST NOT use the new encoding for smaller parameter sets, that is going to make
> it harder to test for the capability on the internet and reduce the incentives
> to support this specification. I would suggest that instead they SHOULD use the
> RFC4271 encoding, possibly discussing the reasons one might not.

As I mentioned in my reply to Rob, I actually can’t think of a good reason for them not to, which is why it’s a MUST; as I mentioned in my reply to Warren, the reason to consume the new format nonetheless (other than Postel’s Law) is to enable potential future deprecation of the old format (yes, I’m an optimist).

—John

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