[GROW] draft-ietf-grow-bgp-gshut

<bruno.decraene@orange.com> Thu, 22 June 2017 10:04 UTC

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From: bruno.decraene@orange.com
To: "grow@ietf.org" <grow@ietf.org>
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Date: Thu, 22 Jun 2017 10:03:59 +0000
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Subject: [GROW] draft-ietf-grow-bgp-gshut
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Hi all,

 > From: Job Snijders [mailto:job@ntt.net]
 > Sent: Friday, May 26, 2017 4:05 PM
> 
 > Hi GROW,
 > 
 > I've compiled a todo list to outline the next steps for the
 > draft-ietf-grow-bgp-session-culling document.
 > 

[...]
 
 > BGP g-shut (possible action for Bruno et al)
 > --------------------------------------------
 > 
 > Bruno promised a new, fresh version of draft-ietf-grow-bgp-gshut which
 > would focus on the rfc1997 well-known community 65535:0 - I would
 > appreciate if this is posted at some point so we can make an Informative
 > reference to a non-zombie draft.  NTT (as2914) & Coloclue (as8283)
 > implemented experimental rfc1997 gshut support for customers and it
 > appears to work as advertise (no pun intended ;-).
 
https://tools.ietf.org/html/draft-ietf-grow-bgp-gshut-07 has just been posted and addresses the above point.

As previously discussed on the list, the main technical change is the focus, for the eBGP signaling, on the use of a well-known BGP community.
In other word, the alternative option to use a non-transitive community has been removed, following latest IDR discussion on community and the lack of implementation (hence IDR WG progress) of draft-ietf-idr-reserved-extended-communities / draft.ietf-idr-as4octet-extcomm-generic-subtype.
As a benefit, this draft is now aligned with:
- the BGP gshut/planned maintenance implementations disclosed on this list https://mailarchive.ietf.org/arch/msg/grow/ReJtavkJDlyrDo5qoD7u9iJDLXs
- the deployed usage

Thanks to Job for the in-depth review, comments, and reminders to update the draft.

--Bruno




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