Re: I-D Action: draft-voyer-6man-extension-header-insertion-02.txt

Fernando Gont <fgont@si6networks.com> Tue, 05 December 2017 16:17 UTC

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Subject: Re: I-D Action: draft-voyer-6man-extension-header-insertion-02.txt
To: "Darren Dukes (ddukes)" <ddukes@cisco.com>, Brian E Carpenter <brian.e.carpenter@gmail.com>, "draft-voyer-6man-extension-header-insertion@ietf.org" <draft-voyer-6man-extension-header-insertion@ietf.org>
Cc: 6man <ipv6@ietf.org>
References: <151120281628.21912.1099097760493570225@ietfa.amsl.com> <4ca3fd6b-4cd6-f6ac-ce03-415c2c9a4c3c@gmail.com> <69A89FE5-2D6E-4CD1-9DEB-ECE3346296AC@cisco.com>
From: Fernando Gont <fgont@si6networks.com>
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Date: Tue, 05 Dec 2017 13:16:22 -0300
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On 12/05/2017 11:58 AM, Darren Dukes (ddukes) wrote:
> Brian, thanks for starting the thread.  There has been a lot of conversation on this topic now for quite some time, and most recently on this thread, with some good explanations… I see the following:
>  
> 1 – RFC8200 has some non-normative text stating non-source nodes do not insert extension headers. Neither RFC2460 nor RFC8200 disallow an intermediate node from inserting SRH.
>     - RFC2460 section 4 did not exclude insertion of SRH’s
>     - Errata ID: 4657 suggested some text from Fernando disallowing insertion, however the disposition of that Errata was “Held for Document Update”
>     - RFC8200 closed Errata 4657 and there is no normative statement disallowing extension header insertion, rather the suggestion.

Have you followed the publication process of RFC8200? :-)

EH insertion is forbiden by RFC8200 as much as it could possibly be.

Thanks,
-- 
Fernando Gont
SI6 Networks
e-mail: fgont@si6networks.com
PGP Fingerprint: 6666 31C6 D484 63B2 8FB1 E3C4 AE25 0D55 1D4E 7492