From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-il1-x12c.google.com (mail-il1-x12c.google.com [IPv6:2607:f8b0:4864:20::12c]) (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 00DF43B2A4 for ; Sun, 28 Nov 2021 19:34:03 -0500 (EST) Received: by mail-il1-x12c.google.com with SMTP id e8so15407968ilu.9 for ; Sun, 28 Nov 2021 16:34:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:from:date:message-id:subject:to:cc :content-transfer-encoding; bh=R3wvLmBhJPBWPf4dTR1WKO5LExvmmn/WPw9oFzM05Sg=; b=nINqRaNUBjje8ueyv9a5cVnwaZ2YnrK48/QM8PC9AaBIIEFHsN/+/XwkPQ0HpOplR2 oY91moVx09oI0R7+UWkiOoOaYpUqs3wuneanYprTeFPShnFGDSueMAlZRccvWj3ONEMo xmYcSZb8hLw3Qc/yBMg93j/ESRIYWrZmq71OB0Xnn+vOUfndJ3B9/llF+vbPRE6DQZKN dbTc38xqjvxmeYjuT8sNzul5XzZkFTt3U4B0/YYh98PDXDz5dpTAHfA0R1vT1vYyQD42 OG9sKSaKKayvlll52rHV0SJ+gzIm48jgdrQhoXOYeJNpYs2lKh4qjAotRCY9Cp2aShnW fgDg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc :content-transfer-encoding; bh=R3wvLmBhJPBWPf4dTR1WKO5LExvmmn/WPw9oFzM05Sg=; b=6F0N1+FmYRLt9JC0EcCi0S371E+/+Jw+xfpRqoYqcjYKtskusObEN82oVN6JuvMGF+ CBBrzY0OUbDGSK/TszBk5vOkjYC52Id4W+ZRYHtTNyaw3PbzSDOZYXfUbAMsVewoC2m+ FM4dwCnefpmmIzixrwntIyvbcdfz6D2geXi/BAG3sU8N6IDJN+ZnZZt5grswan/sUgsh bAsUSqs4SxtLwpVxpBA2N4PPl0wQ78Xh59O+r+cwvrmw4m/ob9JDmgI5BqcFv9iwqYjQ qbybG3qyTX9Wu/BSd2pE2WrfsFBsKw4jke3FXAD7GU55m/47ShgjpgO5AIwwk+21EwTP qTBw== X-Gm-Message-State: AOAM531KDxs2dsMeqqyjDyS2PDCEkX1DLZ3xB8Okbc9dtO8mhY4Tj0Gf 9mA/Yq/QKg+h3zffGGp+0bEdsB0knQAv866/x3hh8sTycuw= X-Google-Smtp-Source: ABdhPJx2i1aWWbqgKdY0YzYP42Y6tysWDN3i4kNC5ZcD4b+0fzJoinSNlpZ3k0gXc589NJ44xSufxyOIVLvC/gaD5O4= X-Received: by 2002:a92:cc50:: with SMTP id t16mr15688670ilq.88.1638146043212; Sun, 28 Nov 2021 16:34:03 -0800 (PST) MIME-Version: 1.0 From: Dave Taht Date: Sun, 28 Nov 2021 16:33:51 -0800 Message-ID: To: bloat Cc: mikel.irazabal@upc.edu Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Subject: [Bloat] Preventing RLC Buffer Sojourn Delays in 5G X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 29 Nov 2021 00:34:04 -0000 A nice comparison of BBR vs Codel vs FIFO vs their cross-layer solution. (they used irtt!) I am always puzzled as to why folk don't benchmark fq-codel (or something like BQL) in scenarios like these. Are the headers not available in the RAN? (forgive me for forgetting) Anyway, their "vanilla" scenario shows 5G with > 1sec of buffering. Is that real? https://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=3D9369375 --=20 I tried to build a better future, a few times: https://wayforward.archive.org/?site=3Dhttps%3A%2F%2Fwww.icei.org Dave T=C3=A4ht CEO, TekLibre, LLC