Hi everyone,
As we know, networks like WLAN, cellular, and satellite often perform better
with fewer ACKs to reduce overhead. Inspired by drafts such as
"draft-ietf-quic-ack-frequency" (Iyengar et al.), I've been working on a draft
that improves min RTT estimation for QUIC when ACK frequency is low.
I'm keen to hear your perspectives if this is an area of interest.
-Tong Li
Renmin University of China
[email protected]
Room 421, Information Building
100872
http://iir.ruc.edu.cn/~litong/index.html
---- Forwarded Message ----
From <[email protected]> Date 11/8/2025 22:11 To Bo
Wu<[email protected]>,
Ke Xu<[email protected]>,
Tong Li<[email protected]>,
Youjian Zhao<[email protected]> Subject New Version Notification for
draft-li-quic-minimum-rtt-estimation-00.txt
A new version of Internet-Draft draft-li-quic-minimum-rtt-estimation-00.txt
has been successfully submitted by Tong Li and posted to the
IETF repository.
Name: draft-li-quic-minimum-rtt-estimation
Revision: 00
Title: Minimum RTT Estimation Under Low ACK Frequency
Date: 2025-11-08
Group: Individual Submission
Pages: 10
URL:
https://www.ietf.org/archive/id/draft-li-quic-minimum-rtt-estimation-00.txt
Status: https://datatracker.ietf.org/doc/draft-li-quic-minimum-rtt-estimation/
HTMLized:
https://datatracker.ietf.org/doc/html/draft-li-quic-minimum-rtt-estimation
Abstract:
In traditional acknowledgment mechanisms, the sender frequently
"pulls" ACK packets, resulting in significant protocol control
overhead. This leads to wasted CPU and I/O resources, contention for
packet spectrum on half-duplex links (e.g., WLAN), and reverse-path
congestion in asymmetric links (e.g., satellite network). Reducing
the number of ACKs is essential in scenarios where ACK overhead is
non-negligible. However, a lower ACK frequency can introduce biases
in delay estimation, such as overestimating the minimum round-trip
time (minRTT). This document proposes how to calibrate the
estimation of the minRTT under low ACK frequency conditions.
The IETF Secretariat
