Re: [Int-area] Is IPv6 End-to-End? R.I.P. Architecture? (Fwd: Errata #5933 for RFC8200)

Joe Touch <touch@strayalpha.com> Thu, 27 February 2020 23:21 UTC

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Date: Thu, 27 Feb 2020 15:21:07 -0800
From: Joe Touch <touch@strayalpha.com>
To: Fernando Gont <fgont@si6networks.com>
Cc: Tom Herbert <tom@herbertland.com>, architecture-discuss@iab.org, Internet Architecture Board <iab@iab.org>, Internet Area <int-area@ietf.org>, ietf@ietf.org
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Subject: Re: [Int-area] Is IPv6 End-to-End? R.I.P. Architecture? (Fwd: Errata #5933 for RFC8200)
Precedence: list

EH isn't a HBH option or extension. 

Joe 

On 2020-02-27 15:06, Fernando Gont wrote:

> On 27/2/20 19:52, Joe Touch wrote: 
> 
>> FWIW - there are separable issues here:
>> 
>> - whether an IP header (or parts thereof) should be changed in transit
>> 
>> AFAICT, the answer has always been yes, but limited to the hopcount/ttl in the base header and hop-by-hop options in the options/extension headers.
>> 
>> - whether an IP header length can change in transit
>> 
>> I see no reason why it can't become smaller, but if it can become larger then PMTUD and PLPMTUD don't work.
> 
> Besides AH (which obviously breaks), hosts typically try to validate that the error messages they receive correspond to something they actually sent.
> 
> EH removal breaks that.

[Int-area] Is IPv6 End-to-End? R.I.P. Architectur… Fernando Gont
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Tom Herbert
Re: [Int-area] [arch-d] Is IPv6 End-to-End? R.I.P… Fernando Gont
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Phillip Hallam-Baker
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Robert Raszuk
Re: [Int-area] [arch-d] Is IPv6 End-to-End? R.I.P… Bernard Aboba
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Tom Herbert
Re: [Int-area] [arch-d] Is IPv6 End-to-End? R.I.P… Joe Touch
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Fernando Gont
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Joe Touch
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Joe Touch
Re: [Int-area] [arch-d] Is IPv6 End-to-End? R.I.P… Fernando Gont
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Tom Herbert
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Robert Raszuk
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Joe Touch
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Fernando Gont
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Joe Touch
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Robert Raszuk
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Joe Touch
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Robert Raszuk
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Joe Touch
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Fernando Gont
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Mark Andrews
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Robert Raszuk
Re: [Int-area] [arch-d] Is IPv6 End-to-End? R.I.P… Phillip Hallam-Baker
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Phillip Hallam-Baker
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Tom Herbert
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Christian Huitema
Re: [Int-area] [arch-d] Is IPv6 End-to-End? R.I.P… Bernard Aboba
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Fernando Gont
Re: [Int-area] [arch-d] Is IPv6 End-to-End? R.I.P… Fernando Gont
Re: [Int-area] [arch-d] Is IPv6 End-to-End? R.I.P… Fernando Gont
Re: [Int-area] [arch-d] Is IPv6 End-to-End? R.I.P… Phillip Hallam-Baker
Re: [Int-area] [arch-d] Is IPv6 End-to-End? R.I.P… Fernando Gont
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Tom Herbert
Re: [Int-area] [arch-d] Is IPv6 End-to-End? R.I.P… Dino Farinacci
Re: [Int-area] [arch-d] Is IPv6 End-to-End? R.I.P… Tom Herbert
Re: [Int-area] [arch-d] Is IPv6 End-to-End? R.I.P… Bernard Aboba
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Joseph Touch
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Joseph Touch
Re: [Int-area] [arch-d] Is IPv6 End-to-End? R.I.P… Joseph Touch
Re: [Int-area] [arch-d] Is IPv6 End-to-End? R.I.P… Fernando Gont
[Int-area] [arch-d] Is IPv6 End-to-End? R.I.P. Ar… Guntur Wiseno Putra
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Robert Raszuk
[Int-area] [arch-d] Is IPv6 End-to-End? R.I.P. Ar… Guntur Wiseno Putra
Re: [Int-area] [arch-d] Is IPv6 End-to-End? R.I.P… Phillip Hallam-Baker
Re: [Int-area] [arch-d] Is IPv6 End-to-End? R.I.P… Tom Herbert
Re: [Int-area] [arch-d] Is IPv6 End-to-End? R.I.P… Phillip Hallam-Baker
Re: [Int-area] [arch-d] Is IPv6 End-to-End? R.I.P… Tom Herbert
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Joseph Touch
Re: [Int-area] [arch-d] Is IPv6 End-to-End? R.I.P… Joseph Touch
Re: [Int-area] [arch-d] Is IPv6 End-to-End? R.I.P… Andrew Alston
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Fernando Gont
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Joseph Touch
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Andrew Alston
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Fernando Gont
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Fernando Gont
Re: [Int-area] Is IPv6 End-to-End? R.I.P. Archite… Fernando Gont
[Int-area] [arch-d] Is IPv6 End-to-End? R.I.P. Ar… Guntur Wiseno Putra