[117055] in North American Network Operators' Group
Re: Link capacity upgrade threshold
daemon@ATHENA.MIT.EDU (Mohacsi Janos)
Mon Aug 31 03:41:28 2009
Date: Mon, 31 Aug 2009 09:41:03 +0200 (CEST)
From: Mohacsi Janos <mohacsi@niif.hu>
To: Randy Bush <randy@psg.com>
In-Reply-To: <m2ws4l1pa8.wl%randy@psg.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Sun, 30 Aug 2009, Randy Bush wrote:
>> If your 95th percentile utilization is at 80% capacity, it's time to
>> start planning the upgrade.
>
> s/80/60/
>
> the normal snmp and other averaging methods *really* miss the bursts.
Agreed. Internet traffic is very burtsy. If you care your customer
experience upgrade at 60-65% level. Especially if an interface is towards
a customers is similar in bandwith of backbone links...
Best Regards,
Janos Mohacsi
