QUIC traffic throttled on AT&T residential

Thu Feb 20 17:05:56 UTC 2020

On 2/20/2020 10:41 AM, Dave Bell wrote:
>
>     Not indiscriminate.
>
>
> Indiscriminate - done at random or without careful judgement.
>
> Considering that Daniel is complaining that QUIC is broken, it 
> certainly seems like some network operators are subjecting all UDP 
> traffic on their network to the same policers. This feels pretty 
> indiscriminate to me.
>
> I'm all for policing the known baddies, such as CHARGEN and NTP, but 
> to discard UDP for fun is like taking a sledgehammer where a scalpel 
> will do.
>
>     Access networks need controls to maintain uptime against the
>     non-stop barrage of ddos attacks. I am sure you have seen the
>     headlines and mails on this list, ddos is hard to deal with.
>     Access network will use whatever tools are required to keep the
>     pagers quiet and customers happy.
>
>
> I operate an access network that does not blanket police UDP. Google 
> give me a dashboard that tell me 45% of requests  were served happily 
> by QUIC, and I have no customers complaining about things not working, 
> and our pagers are silent.

Dave, just wanted to say that I 100% agree with your comments. The bad 
actors are well known. I believe treating all UDP as bad is misguided. 
Like you, I assist in operation of several access networks that do not 
blanket police UDP and my pager remains relatively silent.

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