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

["Rob Wilton (rwilton)" <[e-mail]>]

Hi Alvaro, Qin,

Please see inline.

> -----Original Message-----
> From: Alvaro Retana <[e-mail]>
> Sent: 18 May 2021 15:51
> To: Qin Wu <[e-mail]>; The IESG <[e-mail]>; Rob Wilton
> (rwilton) <[e-mail]>
> Cc: [e-mail]; [e-mail]; Susan
> Hares <[e-mail]>; [e-mail]
> Subject: RE: Robert Wilton's Discuss on draft-ietf-idr-eag-distribution-
> 16: (with DISCUSS)
> 
> On May 18, 2021 at 10:29:24 AM, Rob Wilton wrote:
> 
> 
> Rob:
> 
> Hi!
> 
> Joining the threads...
> 
> 
> ...
> > Alternatively, having read the referenced text, having a sentence in the
> > introduction that states that the BGP-LS EAP attribute is handled
> entirely
> > independently of the AG attribute would be sufficient. I.e., the text in
> the
> > introduction makes this seem like this is a replacement for, and in some
> way
> > related to, the EA attribute.
> 
> Here's a suggestion...from the Introduction:
> 
> OLD>
>    These administrative groups are defined as a fixed-length 32-bit
>    bitmask.  As networks grew and more use-cases were introduced, the
>    32-bit length was found to be constraining and hence extended
>    administrative groups (EAG) were introduced in [RFC7308].
> 
>    This document specifies an extension to BGP-LS for advertisement of
>    the extended administrative groups.
> 
> NEW (append, or add as a new paragraph)>
>    The EAG TLV (Section 2) is not a replacement for the Administrative
>    Group (color) TLV; as explained in [RFC7308] both values can coexist.
>    It is out of scope for this document to specify the behavior of the
>    BGP-LS consumer [RFC7752].
[RW] 
> 
> 
> Would that work?
[RW] 
Broadly, yes.  The first extra sentence would be sufficient to clear my initial confusion when I was reading this document.

I don’t mind if you want to keep the second sentence, but it is a bit unclear to me as to what behaviour is out of scope.

Thanks,
Rob


> 
> Thanks!
> 
> Alvaro.