Re: [Int-area] WG Adoption Call: IP Fragmentation Considered Fragile

Joe Touch <touch@strayalpha.com> Sun, 26 August 2018 22:34 UTC

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From: Joe Touch <touch@strayalpha.com>
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Date: Sun, 26 Aug 2018 15:34:42 -0700
Cc: Tom Herbert <tom@herbertland.com>, int-area <int-area@ietf.org>, Toerless Eckert <tte@cs.fau.de>, intarea-chairs@ietf.org
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To: Ole Troan <otroan@employees.org>
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Subject: Re: [Int-area] WG Adoption Call: IP Fragmentation Considered Fragile
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> On Aug 26, 2018, at 2:26 PM, Ole Troan <otroan@employees.org> wrote:
> 
> 
> 
>> On 26 Aug 2018, at 23:12, Joe Touch <touch@strayalpha.com> wrote:
>> 
>> As I’ve mentioned, there are rules under which a NAT is a valid Internet device, but it is simply not just a router.
> 
> If there really was, can you point to where those rules are? Describing the behavior of the host stack and applications?

The principles are described and explained here:

Touch, J: Middlebox Models Compatible with the Internet <>. USC/ISI (ISI-TR-711), 2016. (

Joe