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From "Noel O'Brien" <>
Subject Simulating QoS and Speed
Date Mon, 09 Mar 2009 16:27:08 GMT
Hi All,

I've been asked to simulate real traffic for our system using JMeter in relation 
to file uploads in terms of Quality of Service (approx 60%) and realistic 
upload speeds. 

Quality of Service seems reasonably possible with JMeter as its a matter of 
structuring samplers under a number of random and/or throughput controllers.

Simulating realistic upload speeds seems much harder. I'm told that clients 
will upload files to our server at approx 5 - 20 kbps, and to simaulte this 
correctly, I'll need to throttle the connection the sampler makes, rather than 
adding a delay timer. Is there a way to simulate this in JMeter? Nothing jumps 
out at me and I don't recall seeing anything in the User Manual to achieve 
this. Has anyone else had to deal with this situation? Does anyone have any 
thoughts on how this could be achieved?


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