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

Fernando Gont <fgont@si6networks.com> Thu, 30 November 2017 09:47 UTC

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Subject: Re: I-D Action: draft-voyer-6man-extension-header-insertion-02.txt
To: Brian E Carpenter <brian.e.carpenter@gmail.com>, 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>
From: Fernando Gont <fgont@si6networks.com>
Message-ID: <f4425076-2f76-5713-2819-9d26671d56bb@si6networks.com>
Date: Thu, 30 Nov 2017 17:14:07 +0800
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On 11/28/2017 06:31 AM, Brian E Carpenter wrote:
[...]
> II. Constructive suggestions.
> 
> I understand that the idea is to propose that this rule
> in https://tools.ietf.org/html/rfc8200#section-4 :
> 
> "  Extension headers (except for the Hop-by-Hop Options header) are not
>    processed, inserted, or deleted by any node along a packet's delivery
>    path, until the packet reaches the node (or each of the set of nodes,
>    in the case of multicast) identified in the Destination Address field
>    of the IPv6 header."
> 
> MAY be ignored within an administrative domain for packets that
> terminate within that domain. If that's the intention, I think
> there are several logical steps in the argument that need to
> be laid out. 

IMO, #1 thing to be discussed is why normal encapsulation wouldn't work
-- this is the standard, straightforward and most clean approach.

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

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