<p dir="ltr">I have sometimes noticed that the first packet after an idle period gets additional latency on 3G. It's not much, maybe a quarter second. I'm not worried about that, and it doesn't really cause any problems for me. I expect that's the C-plane latency you're on about.</p>
<p dir="ltr">I was talking specifically about what happens when traffic is already flowing - NOT idle - and then an additional, concurrent flow wants to start up. If it goes to a different server, it's likely to start with a DNS lookup, and resolvers tend to have remarkably short timeouts these days. A few seconds induced latency, due to plain old bufferbloat, is enough to make it fail.</p>
<p dir="ltr"> - Jonathan Morton<br>
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