4 papers · 1 filter
Disentangling Flaws in Linux DCTCP
Joakim Misund, Bob Briscoe
In the process of testing improvements to the Linux DCTCP code in various scenarios, we found different performance problems kept surfacing with no apparent pattern. This report re…
PI Parameters
Bob Briscoe
This report gives the reasoning for the setting of the target queue delay parameter in the reference Linux implementation of PI Active Queue Management (AQM)
TCP Prague Fall-back on Detection of a Classic ECN AQM
Bob Briscoe, Asad Sajjad Ahmed
The IETF's Prague L4S Requirements [DSBE20] expect an L4S congestion control to somehow detect if there is a classic ECN [RFB01] AQM at the bottleneck and fall back to Reno-friendl…
Managing a Queue to a Soft Delay Target
Bob Briscoe
This memo proposes to transplant the core idea of Curvy RED, the softened delay target, into AQMs that are better designed to deal with dynamics, such as PIE or PI2, but that suffe…