From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ed1-x52e.google.com (mail-ed1-x52e.google.com [IPv6:2a00:1450:4864:20::52e]) (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 E190F3B29E for ; Fri, 13 May 2022 13:07:05 -0400 (EDT) Received: by mail-ed1-x52e.google.com with SMTP id a21so10724323edb.1 for ; Fri, 13 May 2022 10:07:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=1THAl1D7Gc7zyj8ie/kKFkUKsmtcTutpvKtHgbNWbXk=; b=TDqJf8jj0kZPRGhGuYMeSPfChiZtj37RQX0Bme2thBLA1hJjRFIRH8h2bjHAPdTdMi 8eW+T+EnvnTEyIiSNmI+K7icAZB/XIgzZXdcaP0RAR6HWxXYsP76YNgHqVad0Z7+Iohy i5tTLlW+sK6iwgLHC20njfPoldaeGyxFBJyzVN1mAkRV5uvYbwnUkYMlKYP2IXwRQiB4 RYa8JFUWJg9OGb1CpMb8Ha0csAy1Hn0kXnC5S70UoNZkueIDUdT6S+nZvJDn1yKMyC/o EL7Nc93c5i0PoedsAEwRjoQMV3mbNfLVTDaX+ywimEOdKVrylvuERTdItFpq1hsIbCCa GRSw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=1THAl1D7Gc7zyj8ie/kKFkUKsmtcTutpvKtHgbNWbXk=; b=wv7/v6xiUqTkaeRymaryVtL3Bqpe+/BXwZuTm8lnG4ksF3MrEzkJBS2cJKps8i2O0+ it8otUXJxCC/5WsBOVQJXBzIk+7/3xtBaNKitmdRWuP92eC6hilqftJtrotiMIUp29Q7 0472lhf0vrc+PTWlEq4VnAEBmMzfzSyuht1txfQ4tSQhO4eaJ0QD9w3uiZhbLg8QDBTx iO14frHKoBOjs6aD2No/0jRUWaim8LhXL6/m++pRn0DQwUwlSTqD4u5NvAjmYjqZj+wm xQpHJy6DjU/M6cn9A1TNsJzvfLueR3LUQ+ylzelDEZa1s6TyeefsBPJ6ZWXvgHlJe8O1 Z/kg== X-Gm-Message-State: AOAM531F1BJdXYcO1i90edbhhWtM/dLj5o3MMotxd12OKNVelVbhti6g DXetNFOtZooWmW03SDFdMHPOB+lgORK/S/V/phQ31yPm X-Google-Smtp-Source: ABdhPJyReQWVMQQWYcKFicJPj6eZZXHqHIgFDB9WTmZpKZREZLLSYk2thM4v1akgclH+drNimTgyZGY8JBveBQgy3TA= X-Received: by 2002:a05:6402:51d2:b0:428:48d0:5d05 with SMTP id r18-20020a05640251d200b0042848d05d05mr41859498edd.28.1652461624825; Fri, 13 May 2022 10:07:04 -0700 (PDT) MIME-Version: 1.0 References: <1FEEA029-B564-4C46-99A7-50B5F747F619@gmail.com> In-Reply-To: <1FEEA029-B564-4C46-99A7-50B5F747F619@gmail.com> From: Dave Taht Date: Fri, 13 May 2022 10:06:51 -0700 Message-ID: To: Jarad Olson Cc: Cake List Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Subject: Re: [Cake] Latency Testing Using iOAM 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: Fri, 13 May 2022 17:07:06 -0000 I'd been tracking that work, but had missed it actually entering the kernel. it would be cool if openwrt got on it, but it is presently 5.10 based. On Fri, May 13, 2022 at 10:04 AM Jarad Olson wrote: > > Hello! > Has anyone ever tried using in-situ OAM for testing latency? It would see= m to me that the protocol is ideal for this purpose: it adds metadata to ac= tual user packets. The Linux kernel has support for it as of 5.15, Cisco an= d Juniper have implemented it as well. > > Here=E2=80=99s an article on the Linux kernel implementation: https://leg= acy.netdevconf.info/0x14/pub/papers/32/0x14-paper32-talk-paper.pdf > > If anyone has tried this, how did it turn out? > > Thanks much! > _______________________________________________ > Cake mailing list > Cake@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/cake --=20 FQ World Domination pending: https://blog.cerowrt.org/post/state_of_fq_code= l/ Dave T=C3=A4ht CEO, TekLibre, LLC