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I have a requirement to emulate the impact of a new application on the WAN. The WAN bottleneck is a 65MB dedicated pipe between Australia and the UK. I have a setup to generate the traffic, but to monitor the impact on user experience i need a way to emulate bandwidth limiting and packet latency in my development environment.

The correct answer will have the following characteristics:

  1. The WAN emulation software must be installable on Linux under a virtual environment
  2. The WAN emulation software should allow a packet to be held for a time period to simulate latency
  3. The WAN emulation software should enforce a bandwidth limitation which is configurable

Any assistance you could provide would be awesome!

David Colwell
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1 Answers1

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netem should be able to do what you want.

Ansgar Wiechers
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  • Will try this out tonight, but based on what i see this is the correct answer. The fact that it is inbuilt in Ubuntu is a big bonus – David Colwell Sep 03 '12 at 23:49