[Ecn-sane] Multiplicative Decrease Scaling (high-fidelity ECN in a single queue)

[Sebastian Moeller]

Hi Pete,

nice! I note that the legend for figure 8 b says: "Figure 8b: CUBIC-MDS at 100 Mbps, 600 ms path RTT" but the plot implies 1000 Mbps.

> On 21. Oct 2024, at 10:48, Pete Heist via Ecn-sane <ecn-sane at lists.bufferbloat.net> wrote:
> 
> Hi all,
> 
> I'm looking for some feedback on a way to do early and frequent ECN
> that retains compatibility with conventional CCAs in a single queue.
> Here's a write-up including simulation results:
> 
> https://github.com/heistp/md-scaling/blob/main/MD-Scaling.md
> 
> -----
> Abstract:
> 
> Multiplicative Decrease Scaling (MDS or MD-Scaling) provides high-
> fidelity Explicit Congestion Notification (ECN) in a way that's
> compatible with conventional congestion control algorithms (CCAs) in a
> single queue. Using a signaling and response relationship that allows
> cwnd convergence with conventional CCAs, MDS aims to reduce queueing
> delay, and increase utilization for MDS CCAs, while supporting the
> transition to scalable CCAs.
> -----
> 
> I find the results interesting, and am looking to determine if this
> idea is worth pursuing further.  Any feedback on the approach, proposed
> signaling mechanism or anything else is welcome.
> 
> Thanks!
> Pete Heist
> 
> PS- I've also posted this to ICCRG in the IRTF, so apologies to anyone
> getting hit with it twice.
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