From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-vs1-xe2c.google.com (mail-vs1-xe2c.google.com [IPv6:2607:f8b0:4864:20::e2c]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 7999D3B29D for ; Thu, 7 May 2020 02:45:16 -0400 (EDT) Received: by mail-vs1-xe2c.google.com with SMTP id u12so2824439vsq.0 for ; Wed, 06 May 2020 23:45:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=Uy9ma6naq1K/65TLSS43UBdvc0Cvq/hkgswoqjWajQs=; b=tLISzfuMOjyiEIIIgYNP/FJrLpQGB1gTm9bTMUuMt0ZZiuvnlMWkwMzfJ6FwDf1RlY +6P0HsNaP/ODU6gIQ+mbQSRfxE4D2646tBCme4hCWp0UG0IHTxMaLncAz48B4eND9vcP 8/oQQw+e2YAUkKpwjkmejTLRve76tk6S1d5m4ajlX/FiLIzMiDm7ZZds/CJGNgiw2twd 45dYBKReBDp6qq6jJkrFRSbgZcxdLWWepOhG2qovn49s9ENHWrXnUwNbEP5FbSNtyGcE Nksh+RvlMGguEEI+8s/ULN6QPgX7JTKjwStyQP+lI+GplSEoXl+da5rFOKNpAiOBUFmM eAOQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=Uy9ma6naq1K/65TLSS43UBdvc0Cvq/hkgswoqjWajQs=; b=ug0Z4Dyfd0Dy8B+l9l+qofy9MvFB32EsCCW3iSl+ENyjZvd/x1MRDE+1PLCqHDySJV JnmwBcGscwnKKZGmr80n+oGooA84ORWMuVFnn7bNeT3Kn8oHtfY6SjbCLxX17GpgZjMR hB3Kz3AEh6MeVZUGMoe0LUvxnitykUNvJQEHg5AptCx9UxcZFtCRhj3Iq6q6kQzYIqsY bi3tUsE1RnsdFpcXopYKEevbeGeEXF/LCGzPFFw6TetKcrBfUaRGyzWAnxtPrVsnAS0o 6+3Seff+S/zox/Fle16EC3/bUaluOwph29z8UI+OF9UGYCZ6F902gMZgXElfNdWcnx9j PI0A== X-Gm-Message-State: AGi0PuautxviIno+rCVN7j2egTcnUtHVu8HqRL5WDDdmV+7GezzpbyQS KfQQnkQXO8xPXed/8jmqcohgXGljIfJMRs8FlsU= X-Google-Smtp-Source: APiQypJEnMG30QvAvKQ4yMLs8hZE61f1g7AKwRl1GvKOSM2FC/GnnI+jb6GB5CPd/4+KpEamnzex80Gnay2GnSzWaKI= X-Received: by 2002:a05:6102:7c5:: with SMTP id y5mr9404138vsg.108.1588833915821; Wed, 06 May 2020 23:45:15 -0700 (PDT) MIME-Version: 1.0 References: <87wo5okhbo.fsf@toke.dk> In-Reply-To: <87wo5okhbo.fsf@toke.dk> From: Avakash bhat Date: Thu, 7 May 2020 12:14:59 +0530 Message-ID: To: =?UTF-8?B?VG9rZSBIw7hpbGFuZC1Kw7hyZ2Vuc2Vu?= Cc: Jonathan Morton , cake@lists.bufferbloat.net, "Mohit P. Tahiliani" , Vybhav Pai , Deepak K , Shrinidhi Varna Content-Type: multipart/alternative; boundary="00000000000028e16d05a5093967" Subject: Re: [Cake] Query on ACK X-BeenThere: cake@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Cake - FQ_codel the next generation List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 07 May 2020 06:45:16 -0000 --00000000000028e16d05a5093967 Content-Type: text/plain; charset="UTF-8" Thanks for the quick response. I also had a followup question. If the ack filter adds the new ack to the tail of the queue after removing an ack from the queue, won't it be starving the ack? The replaced ack was much ahead in the queue than the ack we replaced at the tail right? Thanks, Avakash Bhat --00000000000028e16d05a5093967 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

Thanks for the quick response. I also had a followup q= uestion.=C2=A0

If the ack filter adds the new ack to the tail = of the queue after removing an ack from the queue, won't it be starving= the ack?=C2=A0
The replaced ack was much ahead in the queue than= the ack we replaced at the tail right?

Thanks,
Avakash Bhat
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