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Date: Tue, 01 May 2007 18:13:28 -0400 From: Deepak Jain <deepak@ai.net> Reply-To: deepak@ai.net To: Jason Frisvold <xenophage0@gmail.com> Cc: NANOG <nanog@merit.edu> In-Reply-To: <924f29280704301333m2ed9d3edyae3e13dc2cef4e32@mail.gmail.com> Errors-To: owner-nanog@merit.edu MRTG and other things will do this kind of alerting for you if I am not mistaken. Certainly programs like Nagios and other "network" monitors can/will. You will find that the more customers on a link (that is, the more the link resembles a backbone link and not a customer link) the less spikey the traffic is in general. Individual/end-user links may need "upgrade" far sooner than their avg or 95th suggests. (Depending on QoS needs). The smaller the circuit, the more so. (Small here is anything under a Gigabit/s). Just my thoughts, Deepak Jain AiNET Jason Frisvold wrote: > > Greetings, > > I'm working on a system to alert when a bandwidth augmentation is > needed. I've looked at using both true averages and 95th percentile > calculations. I'm wondering what everyone else uses for this purpose? > > We're talking about anything from a T1 to an OC-12 here. My guess is > that the calculation needs to be slightly different based on the > transport, but I'm not 100% sure. > > Thanks, >
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