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

"Acee Lindem (acee)" <acee@cisco.com> Wed, 19 April 2017 23:30 UTC

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From: "Acee Lindem (acee)" <acee@cisco.com>
To: John Scudder <jgs@juniper.net>
CC: "Enke Chen (enkechen)" <enkechen@cisco.com>, idr wg <idr@ietf.org>, "Hares Susan" <shares@ndzh.com>
Thread-Topic: [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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Date: Wed, 19 Apr 2017 23:30:01 +0000
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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>
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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 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.

Thanks,
Acee 

>
>I must be missing something.
>
>Also, to Enke's "we can't ever change our defaults" point -- there are
>many RFCs. Some you probably comply with. Some you probably don't. How
>would this be different, assuming you elect not to change your
>implementation to comply?
>
>Thanks,
>
>--John