From nobody Wed Oct 26 09:02:10 2022 X-Original-To: freebsd-net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4My2rY4GmTz4gRxD for ; Wed, 26 Oct 2022 09:02:37 +0000 (UTC) (envelope-from hps@selasky.org) Received: from mail.turbocat.net (turbocat.net [88.99.82.50]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4My2rX0T7qz3kPp; Wed, 26 Oct 2022 09:02:36 +0000 (UTC) (envelope-from hps@selasky.org) Received: from [10.36.2.68] (unknown [178.232.223.95]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.turbocat.net (Postfix) with ESMTPSA id 51759260393; Wed, 26 Oct 2022 11:02:28 +0200 (CEST) Message-ID: <18e16e34-b750-9fb1-c7d2-bfc6f0b3fadd@selasky.org> Date: Wed, 26 Oct 2022 11:02:10 +0200 List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@freebsd.org MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:102.0) Gecko/20100101 Thunderbird/102.3.0 Subject: Re: Too aggressive TCP ACKs To: Tom Jones Cc: Zhenlei Huang , Michael Tuexen , freebsd-net@freebsd.org References: <75D35F36-7759-4168-ADBA-C2414F5B53BC@gmail.com> <712641B3-5196-40CC-9B64-04637F16F649@lurchi.franken.de> <62A0DD30-B3ED-48BE-9C01-146487599092@gmail.com> <0FED34A9-D093-442A-83B7-08C06D11F8B5@lurchi.franken.de> <330A9146-F7CC-4CAB-9003-2F90B872AC3E@gmail.com> <1ed66217-5463-fd4d-7e7a-58d9981bc44c@selasky.org> Content-Language: en-US From: Hans Petter Selasky In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4My2rX0T7qz3kPp X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of hps@selasky.org designates 88.99.82.50 as permitted sender) smtp.mailfrom=hps@selasky.org X-Spamd-Result: default: False [-1.80 / 15.00]; SUSPICIOUS_RECIPS(1.50)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-1.000]; R_SPF_ALLOW(-0.20)[+a:mail.turbocat.net:c]; MIME_GOOD(-0.10)[text/plain]; MLMMJ_DEST(0.00)[freebsd-net@freebsd.org]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; R_DKIM_NA(0.00)[]; FREEMAIL_CC(0.00)[gmail.com,lurchi.franken.de,freebsd.org]; ASN(0.00)[asn:24940, ipnet:88.99.0.0/16, country:DE]; TO_MATCH_ENVRCPT_SOME(0.00)[]; ARC_NA(0.00)[]; DMARC_NA(0.00)[selasky.org]; RCVD_TLS_ALL(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; FROM_HAS_DN(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; RCPT_COUNT_THREE(0.00)[4]; TAGGED_RCPT(0.00)[]; RCVD_COUNT_TWO(0.00)[2] X-ThisMailContainsUnwantedMimeParts: N On 10/26/22 10:57, Tom Jones wrote: > It focuses on QUIC, but congestion control dynamics don't change with > the protocol. You should be able to read there, but if not I'm happy to > send anyone a pdf. If QUIC doesn't support TSO (Large Send Offload), it cannot be compared I think. --HPS