From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 25789C2B9F4 for ; Mon, 28 Jun 2021 11:45:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 02B5261C6B for ; Mon, 28 Jun 2021 11:45:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232850AbhF1Lr1 (ORCPT ); Mon, 28 Jun 2021 07:47:27 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:47642 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232353AbhF1Lr0 (ORCPT ); Mon, 28 Jun 2021 07:47:26 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1624880700; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=qs0IkwXZ0zITPgwiK7CWieVxiVM2f2F2V5q9oyTXZ2g=; b=E27KDPbAfP+u4EE0ZGDD71X7D3OyUgFs5tbnKblIp11fLodG8Hbz3mGNV2rwMfY5DrcWzy 3cFux2TqsVMyMFYtcontXjti2pRRuVpZQ/HYUaBjpf+ygqVm4PTFAg8kMzkcGSDpHjC09X Pj7TYYVc9rutDHj9VseiuHwGt5xnMiA= Received: from mail-ed1-f71.google.com (mail-ed1-f71.google.com [209.85.208.71]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-414-R3UY8DlcMTGJP8Zn6dp3xg-1; Mon, 28 Jun 2021 07:44:58 -0400 X-MC-Unique: R3UY8DlcMTGJP8Zn6dp3xg-1 Received: by mail-ed1-f71.google.com with SMTP id f20-20020a0564020054b0290395573bbc17so2123263edu.19 for ; Mon, 28 Jun 2021 04:44:58 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:in-reply-to:references:date :message-id:mime-version; bh=qs0IkwXZ0zITPgwiK7CWieVxiVM2f2F2V5q9oyTXZ2g=; b=g60hHLXt91/NIFtx4V9SZDPwm97LtXKBbNvnfmk5D52rIrw1yyVoNIInj0+JBJydPH PAGfaW2NDXhNEPGUO+SzdolaN9cz48hn+rgCDBOhfb8omDxzQS7UZlCSGw2S+FInI5Dr 7Hv6h20L4bnIw9Pr1JOG1r1482zBxVE/Bb+CWud3lNOaqec6XT+2ipRlg4kXyOzWjB/t 1/4hk7S2n2AlwoiD6DvnAg6wxuNdkO9gb270pByxeRSfmu+k2qI/L3uT6EtM0fSimgbY 39Oo0iGlMC/4OuK7zMZTx6acIPVHckn5389LAc5bB4sL/NUvAwrV+mqbZ7hjHJSPcNAU L/9A== X-Gm-Message-State: AOAM530PdJIdFow1vmRtTvo33A2ENX/k/kT3oV8WQLKzKfULX9wOP/+I TWk3vCrHWo2mHWG3EIEvxpzyrM9e+PKuNcEO4O/hFpMr7VoldLUqKH8n6LoNwmG3I21zAJYAId+ fI/xXqYjK9c9vZBK7 X-Received: by 2002:a05:6402:31a9:: with SMTP id dj9mr32295483edb.164.1624880697118; Mon, 28 Jun 2021 04:44:57 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzvT3SWL9l5IHh+liewKskO+Iw/7c9Jb4A03dE1aldBLaoTpggPmFitC/40BMrKxD5qaLYDRg== X-Received: by 2002:a05:6402:31a9:: with SMTP id dj9mr32295438edb.164.1624880696692; Mon, 28 Jun 2021 04:44:56 -0700 (PDT) Received: from alrua-x1.borgediget.toke.dk ([2a0c:4d80:42:443::2]) by smtp.gmail.com with ESMTPSA id zp1sm2190962ejb.92.2021.06.28.04.44.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Jun 2021 04:44:56 -0700 (PDT) Received: by alrua-x1.borgediget.toke.dk (Postfix, from userid 1000) id B531918071E; Mon, 28 Jun 2021 13:44:54 +0200 (CEST) From: Toke =?utf-8?Q?H=C3=B8iland-J=C3=B8rgensen?= To: Niclas Hedam , "stephen@networkplumber.org" Cc: "netdev@vger.kernel.org" Subject: Re: [PATCH v2] net: sched: Add support for packet bursting. In-Reply-To: <532A8EEC-59FD-42F2-8568-4C649677B4B0@itu.dk> References: <532A8EEC-59FD-42F2-8568-4C649677B4B0@itu.dk> X-Clacks-Overhead: GNU Terry Pratchett Date: Mon, 28 Jun 2021 13:44:54 +0200 Message-ID: <877diekybt.fsf@toke.dk> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Niclas Hedam writes: > From 71843907bdb9cdc4e24358f0c16a8778f2762dc7 Mon Sep 17 00:00:00 2001 > From: Niclas Hedam > Date: Fri, 25 Jun 2021 13:37:18 +0200 > Subject: [PATCH] net: sched: Add support for packet bursting. Something went wrong with the formatting here. > This commit implements packet bursting in the NetEm scheduler. > This allows system administrators to hold back outgoing > packets and release them at a multiple of a time quantum. > This feature can be used to prevent timing attacks caused > by network latency. How is this bursting feature different from the existing slot-based mechanism? -Toke