[AusNOG] Prediction: Google et. al. may artificially penalise IPv4 clients

Geoff Huston gih at apnic.net
Tue May 2 23:13:38 EST 2017


> 
> 
>> Today, many of the  problems that occur in V6 are masked by dual stack - if it fails in 6 there is always 4. And the implications of this observation is that we just don’t care about broken equipment that discards packets with Extension Headers or firewalls that block ICMPv6 PTB, or systems that ignore incoming PTB messages.
> 
> We’re talking about broken equipment deployed by capital-E Enterprise, rather than by ISPs and content providers, yeah? 
> 


No.

RFC7872

nuff said.




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