@techreport{li-quic-minimum-rtt-estimation-01, number = {draft-li-quic-minimum-rtt-estimation-01}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://backiee.wasmer.app/https_datatracker_ietf_org/doc/draft-li-quic-minimum-rtt-estimation/01/}, author = {Tong Li and Ke Xu and Bo Wu and Youjian Zhao}, title = {{Minimum RTT Estimation Under Low ACK Frequency}}, pagetotal = 11, year = 2025, month = nov, day = 16, 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.}, }