From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from complete.lackof.org (complete.lackof.org [198.49.126.79]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id A363B3B29E for ; Mon, 1 Mar 2021 12:45:18 -0500 (EST) Received: from [172.16.1.4] (97-113-158-130.tukw.qwest.net [97.113.158.130]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) by complete.lackof.org (Postfix) with ESMTPSA id A8D5433E0025 for ; Mon, 1 Mar 2021 10:45:17 -0700 (MST) To: bloat From: Matt Taggart Message-ID: Date: Mon, 1 Mar 2021 09:47:26 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Virus-Scanned: clamav-milter 0.102.4 at complete.lackof.org X-Virus-Status: Clean X-Spam-Status: No, score=1.0 required=5.0 tests=ALL_TRUSTED, PDS_TONAME_EQ_TOLOCAL_SHORT autolearn=no autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on complete.lackof.org Subject: [Bloat] splitting the ping 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, 01 Mar 2021 17:45:18 -0000 I just read this interesting blog post about measuring both directions of icmp ping latency to detect asymmetric routing issues https://blog.benjojo.co.uk/post/ping-with-loss-latency-split -- Matt Taggart matt@lackof.org