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Re: IP Fragmentation - Not reliable over the Internet?


From: Tony Finch <dot () dotat at>
Date: Tue, 27 Aug 2013 10:25:20 +0100

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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