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Re: Hi speed trading - hi speed monitoring
From: John Osmon <josmon () rigozsaurus com>
Date: Fri, 17 Feb 2012 10:25:45 -0700

On Fri, Feb 17, 2012 at 10:30:33AM -0500, Jay Ashworth wrote:
----- Original Message -----
From: "Paul Graydon" <paul () paulgraydon co uk>

Anecdotally, I had an interview years ago for a small-ish futures
trading company based in London. The interviewer had to pause the
interview part way through whilst he investigated a 10ms latency spike
that the traders were noticing on a short point-to-point fiber link to
the London Stock Exchange. He commented that the traders were far
better at 'feeling' when an connection was showing even a trace of lag
compared to normal than anything he'd set up by way of monitoring (not
sure how good his monitoring was, though.)

This was my experience in a callcenter as well; network type problem reports
always came in from the floor managers before Nagios came forth with an 

When I used to run an ISP network, our NOC always talked about "that
porn guy" who would call the *exact* *momment* the NNTP server had any
type of stutter...

I guess there's always a canary for the coal mine -- eh?

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