[163282] in North American Network Operators' Group

home help back first fref pref prev next nref lref last post

Re: Headscratcher of the week

daemon@ATHENA.MIT.EDU (Jake Khuon)
Fri May 31 20:41:19 2013

Date: Fri, 31 May 2013 17:40:44 -0700
From: Jake Khuon <khuon@NEEBU.Net>
To: Brett Frankenberger <rbf+nanog@panix.com>
In-Reply-To: <20130601003027.GA10433@panix.com>
Cc: NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

On 31/05/13 17:30, Brett Frankenberger wrote:

>> 	How can you possibly have consistent increase in latency like that?
>> I'd love to hear theories (or offers of beer, your choice!).

Variation of the buffer filling theory is that there's some 
QoS/traffic-shaping going on which is causing your ping packets to get 
classed and policed into an ever depleting buffer pool.

I wonder what would happen to the pattern if you reset the interface. |8^)


-- 
/*=================[ Jake Khuon <khuon@NEEBU.Net> ]=================+
  | Packet Plumber, Network Engineers     /| / [~ [~ |) | | -------- |
  | for Effective Bandwidth Utilisation  / |/  [_ [_ |) |_| NETWORKS |
  +==================================================================*/


home help back first fref pref prev next nref lref last post