I have said before, but don't know if I still adhere to it, but
anyways, here's a question: How *long* do people think a biassing
mechanism like HE is a good idea?

 * is it a good idea *forever*

 * or is it a transition path mechanism which has an end-of-life?

 * how do we know, when its at end-of-life?

I used to love HE. I now have a sense, I'm more neutral. Maybe, we
actually don't want modified, better happy eyeballs, because we want
simpler, more deterministic network stack outcomes with less bias
hooks?

I barely register if I an on v4 any more. I assume I'm on 6 on many
networks. This is as an end-user. I guess if I am really an end user,
this belief I understand TCP and UDP is false, and I should stop
worrying (as an end user)
On Wed, Sep 26, 2018 at 12:49 PM Davey Song <songlinj...@gmail.com> wrote:
>>
>> But in the general case the network cannot.
>> Think host multi-homing.
>
>
> Yes or no.
>
> Generally speaking the races of IPv6 and IPv4 connections on both network and 
> client are going to be suffered by netowrk dynamics, including Multi-homing,  
> route flaps, roaming, or other network falilures. Extremely, a client can get 
> a better IPv6 connection in one second (when IPv6 win the race), and lose it 
> in next second. In such case, more sophisticated measurement should be 
> done(on client or network) , for a longer period, on statistics of RTT and 
> Failure rate, or combinations of them. But in IMHO, the assumption of HE is 
> relatively stable network for short exchange connections. The dynamics exits 
> but relatively rare or no notable impact on HE. So I see no such discussion 
> in RFC8035.
>
> Davey
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