Re: [v6ops] Operational Implications of IPv6 Packets with Extension Headers

Brian E Carpenter <brian.e.carpenter@gmail.com> Tue, 15 September 2020 01:41 UTC

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To: Fernando Gont <fgont@si6networks.com>, Vasilenko Eduard <vasilenko.eduard@huawei.com>, tom petch <ietfc@btconnect.com>
Cc: IPv6 Operations <v6ops@ietf.org>
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From: Brian E Carpenter <brian.e.carpenter@gmail.com>
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Date: Tue, 15 Sep 2020 13:41:04 +1200
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Subject: Re: [v6ops] Operational Implications of IPv6 Packets with Extension Headers
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On 15-Sep-20 05:46, Fernando Gont wrote:
...
>> Just "raise awareness". I personally strongly
>> suspect that a flood of new EH functionality that is in development
>> now would greatly increase drop rate, because not all nodes would
>> support everything needed at proper time.
> 
> If such functionality is to be employed in the public Internet, then... 
> definitely!
> 
> But my understanding is that it is not. In such case, "your networks, 
> your rules, your problem", I guess.

Well yes. This is exactly why I initiated RFC8799, but that is not an IETF
document. If the IETF doesn't recognise limited domains as part of the architecture,
we will never get past this problem.

    Brian