Re: Non routable IPv6 registry proposal

Joseph Touch <touch@strayalpha.com> Thu, 21 January 2021 17:17 UTC

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Subject: Re: Non routable IPv6 registry proposal
From: Joseph Touch <touch@strayalpha.com>
In-Reply-To: <7cc9e38c-5a00-ec59-a8c2-10503cc40d50@si6networks.com>
Date: Thu, 21 Jan 2021 09:17:25 -0800
Cc: Phillip Hallam-Baker <phill@hallambaker.com>, IETF Discussion Mailing List <ietf@ietf.org>
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To: Fernando Gont <fgont@si6networks.com>
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> On Jan 20, 2021, at 3:27 PM, Fernando Gont <fgont@si6networks.com> wrote:
> 
> On 20/1/21 17:25, Joe Touch wrote:
>>> On Jan 20, 2021, at 12:07 PM, Phillip Hallam-Baker <phill@hallambaker.com> wrote:
>>> 
>>> 0) Nowhere does the 'end to end' principle demand that the source and destination addresses on an IP packet remain constant
>> IP addresses is the only means for identifying an Internet endpoint per RFC 1122. While I agree that there may be utility of having proxied endpoints (e.g. NATs) with effectively internal addresses behind them, it doesn’t help the case to begin with this inaccurate assertion.
> 
> I'd have agreed with you. BUt since draft-ietf-spring-srv6-network-programming has been approved by the IESG, you probably cannot make such assertion anymore.

One draft that doesn’t update or obsolete numerous others does not undermine 40 yrs of E2E.

Esp. when (AFAICT) that doc series never mentions how transport protocols are supposed to deal with indeterminate endpoint addresses in their pseudo headers or the impact to security protocols at the transport (not transport content) layer.

Joe