-------- Original Message -------- Subject: Re: [Nfsen-discuss] Sampling questions Date: Tue, 29 May 2007 14:33:58 +0200 From: vojtec <[EMAIL PROTECTED]> To: Szymon Trocha <[EMAIL PROTECTED]> References: <[EMAIL PROTECTED]> <[EMAIL PROTECTED]>
Hi Peter, simple implementation of the sampling in the nfsen will be really helpful, just multipling is enough for now. It would be nice, if the sampling rate for each source would not be fixed - we'd like to test some adaptive sampling methods... Thanks and good luck! vojtec Szymon Trocha napsal(a): > Hi Peter, > > That's great to hear you approached this implementation. Even if it is > simple multiplication it will be helpful. > > Peter Haag wrote: > >> -----BEGIN PGP SIGNED MESSAGE----- >> Hash: SHA1 >> >> Hi list, >> I need some information from those of you using sampling in your >> network. >> >> If you have several netflow sources you feed into NfSen, do all >> the sources have the same sampling rate? >> > > no > > >> If not, why do you have different sampling rate? >> > > Because we don't want too much CPU utilization on older machines and > those which carry a lot of traffic > > >> Would it be feasible for you to adjust all sources to the same >> sampling rate? >> > > no > > >> Have you best practices formulas for estimating real traffic, or >> do you operate just using a multiplication with the sampling rate? >> > > We just multiply with the sampling rate to estimate traffic. At this > stage is acceptable. > > Regards, > -- Szymon Trocha Poznan Supercomputing & Ntw. Center ::: NETWORK OPERATION CENTER Tel. (+48 61) 8582022 http://noc.man.poznan.pl ::: http://noc.pionier.gov.pl ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ Nfsen-discuss mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/nfsen-discuss
