[Bloat] A bit of history on RFC970 and RFC896 from john nagle

[Juliusz Chroboczek]

> The classic solution, from X.25, was an accumulation timer with a human
> response time sized delay. That's a bad idea, but unfortunately the
> people who put in delayed ACKs didn't know that.  They were trying to
> fix TELNET responsiveness at Berkeley, which was using a large number of
> dumb terminals connected to terminal servers at the time. Delayed ACKs
> with a fixed timer are useful in that situation, and in few others.

Nagle has made this point repeatedly, and it's a convincing one.  Is
anyone working on improving the delack algorithm?

> Bufferbloat is only bad if the queuing is FIFO-dumb. It's fine to have
> lots of queue space if you manage it well.

Noted.

-- Juliusz