[165231] in North American Network Operators' Group
Re: IP Fragmentation - Not reliable over the Internet?
daemon@ATHENA.MIT.EDU (Tony Finch)
Tue Aug 27 05:25:39 2013
Date: Tue, 27 Aug 2013 10:25:20 +0100
From: Tony Finch <dot@dotat.at>
To: Christopher Palmer <Christopher.Palmer@microsoft.com>
In-Reply-To: <6e53114d968f40f097a83640d90f9acf@BN1PR03MB171.namprd03.prod.outlook.com>
Cc: North American Network Operators' Group <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Christopher Palmer <Christopher.Palmer@microsoft.com> wrote:
>
> What is the probability that a random path between two Internet hosts
> will traverse a middlebox that drops or otherwise barfs on fragmented
> IPv4 packets?
This question is important for large EDNS packets so you'll find some
recent practical investigations from the perspective of people interested
in DNSSEC. For instance, a couple of presentations from Roland van
Rijswijk:
https://ripe64.ripe.net/presentations/91-20120418_-_RIPE64_-_Ljubljana_-_DNSSEC_-_UDP_issues.pdf
http://toronto45.icann.org/meetings/toronto2012/presentation-dnssec-fragmentation-17oct12-en.pdf
Tony.
--
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