From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alan Goodman Date: Sun, 21 Sep 2014 21:40:14 +0000 Subject: Re: [Cerowrt-devel] Correctly calculating overheads on unknown connections Message-Id: <541F45BE.9040208@yescomputersolutions.com> List-Id: References: <6DF5DFA0-D88E-470E-ACB6-37703EA964E7@gmx.de> In-Reply-To: <6DF5DFA0-D88E-470E-ACB6-37703EA964E7@gmx.de> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: lartc@vger.kernel.org Hi Billy, Please can you share your modified script? Alan On 21/09/14 22:18, Billy Tallis wrote: > On my Linux boxes ping has a -A option for adaptive ping, effectively > sending out a new ping as soon as the reply to the last one is received, > instead of having to wait a fixed period of time between pings. I > modified ping_sweeper to use that last December when I was still on a > DSL link and was able to find the overhead with only a few minutes of > collecting data. (The connection was 6Mbps down, 512kbps up.) There was > a bit of noise in the data from other traffic in the house, but the > stair-step shape of the plot was unmistakeable and the octave script had > no trouble identifying the per-packet overhead.