Subject: [iccrg] Multiplicative decrease during CA and other comments

From: Vidhi Goel <[email-masked]>
Date: Wed, 16 Sep 2020 19:43:31 -0700

Hello Authors,

The improvements in LEDBAT++ over LEDBAT look very promising esp. with regards to a LBE slow start and Multiplicative decrease.

With regards to Multiplicative decrease, i.e.
W += max( (GAIN - Constant * W * (delay/target - 1)), -W/2) )

I think GAIN in this formula is not necessary as it is a factor between 0 and 1 and doesn’t make much difference. I tried to re-write this formula to something like this:
W -= min(Constant * W * (delay/target - 1)), W/2) )

Let me know what you think about it.

A minor comment on the below text, I think it should be `the per RTT window when the delay ..`

`In LEDBAT++, with multiplicative decrease, the per RTT window delay
   is higher than target is:`

I plan to implement LEDBAT++ and will provide more feedback accordingly.

Thanks,
Vidhi