North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: 95th Percentile again (was RE: C&W Peering Problem?)
On Sun, Jun 03, 2001 at 12:40:44AM -0400, Alex Rubenstein wrote: > > i gave up on per-customer interface accounting, didn't scale for me. > > Thats a very bold statement. A what point (what metric?) did you feel that > this method didn't scale? i'm not super-duper, but i'm tier2 and the bulk of my business is wholesale (the basic service is a connection and transit, nothing else). most of my customers are ethernet connected, and some customers share an interface. i got into this before it was cheap to do 802.11q switching, so my billing system needed to deal with multiple customers on a single ethernet. > NAC is no super-duper tier-1 (I had to throw that in), but we do monitor > >1400 interfaces every 5 minutes, 100 or so at more than 105 mb/s i don't have near that many interfaces. however, the rollover issues were starting to become apparent. fortuneately with the BSD and cache flow stuff, i get 64bit counters. > > we've since moved to cisco, and, well, now i have cache flow stats which > > are parsed into customer subnets. > > Eeek. Relying on flow-stats? Yikes. its working for me. -- [ Jim Mercer [email protected] +1 416 410-5633 ] [ Now with more and longer words for your reading enjoyment. ]
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