Re: [Idr] Robert Wilton's Discuss on draft-ietf-idr-eag-distribution-16: (with DISCUSS)

Alvaro Retana <aretana.ietf@gmail.com> Tue, 18 May 2021 13:52 UTC

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From: Alvaro Retana <aretana.ietf@gmail.com>
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Subject: Re: [Idr] Robert Wilton's Discuss on draft-ietf-idr-eag-distribution-16: (with DISCUSS)
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On May 18, 2021 at 6:16:19 AM, Robert Wilton wrote:


Rob:

Hi!


...
> I think that it would be helpful for this document to explicitly state how
> this attribute behaves in conjunction with the existing Administrative Group
> (color) TLV (1088). E.g., is the expectation that if this attribute is
> published then the 1088 attribute would also always be published (with the
> same first 32 bits)? Or is the expectation that this attribute can be
> published without the 1088 attribute being published at all?
>
> Similarly, if a client receives both attributes there are there any
> expectations to how it handles those, i.e., should it always use the new
> attribute in preference? Or otherwise, what should it do if the values were
> inconsistent between the two attributes?

This document defines an extension to BGP-LS (rfc7752), which leaves
out of scope how the information is used by the client ("consumer" in
rfc7752).  IOW, specifying the behavior is not in scope of this
document.

Thanks!

Alvaro.