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Re: [Idr] IETF LC for IDR-ish document <draft-ietf-grow-bgp-reject-05.txt> (Default EBGP Route Propagation Behavior Without Policies) to Proposed Standard

Job Snijders <job@ntt.net> Thu, 20 April 2017 09:03 UTC

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Date: Thu, 20 Apr 2017 11:03:10 +0200
From: Job Snijders <job@ntt.net>
To: "Acee Lindem (acee)" <acee@cisco.com>
Cc: John Scudder <jgs@juniper.net>, idr wg <idr@ietf.org>, Hares Susan <shares@ndzh.com>
Message-ID: <20170420090310.gc6pjgcbosj7mdyf@hanna.meerval.net>
References: <D4E812E8-AA7B-4EA2-A0AC-034AA8922306@juniper.net> <abe393d3-d1e4-7841-4620-38dab751765b@cisco.com> <CA+b+ERnRz8BEO3mb1fnsDPoiL6Wxjdfw9vQPbyODNEa+xCJdnw@mail.gmail.com> <D51D67E4.A9782%acee@cisco.com> <AF07526F-F08B-4084-937B-A9A2D2DD2813@juniper.net> <D51D6AD2.A9795%acee@cisco.com>
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Subject: Re: [Idr] IETF LC for IDR-ish document <draft-ietf-grow-bgp-reject-05.txt> (Default EBGP Route Propagation Behavior Without Policies) to Proposed Standard
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On Wed, Apr 19, 2017 at 11:30:01PM +0000, Acee Lindem (acee) wrote:
> On 4/19/17, 7:25 PM, "John Scudder" <jgs@juniper.net> wrote:
> >(As an individual contributor)
> >
> >On Apr 19, 2017, at 7:18 PM, Acee Lindem (acee) <acee@cisco.com> wrote:
> >> the draft is conspicuously missing a “Backwards Compatibility” section.
> >
> >Seriously? "Backwards compatibility" in this case is "configure your
> >router to do what it used to", right? We need a section to say that?
> 
> Anytime one proposes to change the default behavior of a decades old
> protocol to be more restrictive, I would expect this to be discussed.

This would be true if there were an actual existing default, however in
the wild we see that all kinds of implementation choices have been made.
It would also be helpful if we don't pretend that this hasn't been
discussed at length, for years.

Kind regards,

Job

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