On 10/26/06, Oliver Hookins <[EMAIL PROTECTED]> wrote: > > I guess my question at this point is, what do you do when you have say 1GBps > of traffic to record and you need 100% accuracy? >
you use the SNMP octet counters and poll them at regular intervals. but guess what - you'll generally end up with the same value. what application do you have that requires precisely 100% precision? I can't think of any. Nearly all ISP billing these days is, and has been, done by sampling interface octet counters at 5 minute intervals, and then chucking the top 5% of the sampled values (roughly). using sampled flow data for billing is actually statistically *more* accurate (depending on your sampling method, of course). _______________________________________________ pmacct-discussion mailing list http://www.pmacct.net/#mailinglists
