[dns-operations] About EDNS0

[Billy Glynn]

On 13 Aug 2014, at 02:13, Davey Song <songlinjian at gmail.com> wrote:

> My question is that I heard that EDNS0 does not work well because the misbehavior of mid-box like firewall or IPS which degrade the function of EDNS0. I wondering if there is any measurement report or statistic which support this point and show how severe it is. 

Ray Bellis' work from 2008 may guide you:

https://www.icann.org/en/system/files/files/sac-035-en.pdf

Billy
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