Re: [Pce] Eric Rescorla's Discuss on draft-ietf-pce-pcep-exp-codepoints-04: (with DISCUSS)

Eric Rescorla <ekr@rtfm.com> Mon, 08 January 2018 13:19 UTC

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From: Eric Rescorla <ekr@rtfm.com>
Date: Mon, 08 Jan 2018 05:18:35 -0800
Message-ID: <CABcZeBNGdgtpv3yA1LdMNNtG+rGoydwfTo4EdDoAokWn05A27Q@mail.gmail.com>
To: Adrian Farrel <adrian@olddog.co.uk>
Cc: The IESG <iesg@ietf.org>, draft-ietf-pce-pcep-exp-codepoints@ietf.org, pce@ietf.org, pce-chairs@ietf.org
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Subject: Re: [Pce] Eric Rescorla's Discuss on draft-ietf-pce-pcep-exp-codepoints-04: (with DISCUSS)
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Hi Adrian,

Thanks for your thoughts.


On Mon, Jan 8, 2018 at 4:58 AM, Adrian Farrel <adrian@olddog.co.uk> wrote:

> The purpose of this document is to adjust the registries to allow
>
experimentation, not to redefine or refine the meaning of Experimental
> codepoints.
>
> We do draw out the security concern that we think 3692 glossed over, but
> this is
> a reminder to protocol specs or implementers that they must watch out.
> This is
> not a protocol spec and doesn't need to describe how implementations handle
> conflicts.
>

No, but it does need to describe the impact of what happens when there is
confusion, which it presently does not. This is not solely a security
concern but also an interoperability and correctness concern.

-Ekr


>
> Ciao,
> Adrian
>
>