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Re: New Version Notification for draft-hinden-6man-hbh-processing-01.txt

"Pascal Thubert (pthubert)" <pthubert@cisco.com> Fri, 11 June 2021 05:01 UTC

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From: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: Fernando Gont <fernando.gont=40edgeuno.com@dmarc.ietf.org>
CC: "brian.e.carpenter@gmail.com" <brian.e.carpenter@gmail.com>, "tom@herbertland.com" <tom@herbertland.com>, "gorry@erg.abdn.ac.uk" <gorry@erg.abdn.ac.uk>, "ipv6@ietf.org" <ipv6@ietf.org>, "bob.hinden@gmail.com" <bob.hinden@gmail.com>
Subject: Re: New Version Notification for draft-hinden-6man-hbh-processing-01.txt
Thread-Topic: New Version Notification for draft-hinden-6man-hbh-processing-01.txt
Thread-Index: AQHXXn7Aanx14dTGOEWddHWCHYMLtA==
Date: Fri, 11 Jun 2021 05:00:51 +0000
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This might need a solution be similar to the MTU problem; e.g., during PMTUD a node might add the HbH Options that it needs to check that the options make it through…


Regards,

Pascal

> Le 11 juin 2021 à 01:03, Fernando Gont <fernando.gont=40edgeuno.com@dmarc.ietf.org> a écrit :
> 
> On Fri, 2021-06-11 at 10:20 +1200, Brian E Carpenter wrote:
>> 
>> Which all, IMHO, shows that the Internet cannot ever be assumed to be
>> transparent to extension headers of any kind; either we accept that
>> extensions are confined to limited domains or we need a probing
>> process
>> before using them, to determine whether they can survive the trip.
>> 
>> Not much has changed (and it's exactly the same for IPv4 options):
>> unusable
>> across the Internet.
> 
> Thanks for your summarizing this quiete well. :-) FWIW, I fully agree
> with your analysis.
> 
> Thanks,
> -- 
> Fernando Gont
> Director of Information Security
> EdgeUno, Inc.
> PGP Fingerprint: DFBD 63E3 B248 AE79 C598 AF23 EBAE DA03 0644 1531
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> 
> 
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