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Homework 5 - network performance measurements (DRAFT)

In this homework, we'll use a set of tools for measuring, analyzing and reporting network performance. You will measure the pairwise round-trip time between 100 hosts: a total of 9900 pairs, on three different occasions, and analyze the results.

Prerequisites

  1. Register your host with Tomas. Send an email with subject "hw5 mac registration". In the body, type your netid, followed by a space, followed by the mac addresses (wired and wireless) of your computer.
  2. Create a planetlab account. Go to create account and fill in your details. I will approve it as soon as I get a chance.
  3. If you don't already have one, generate an ssh key. In your terminal, run "ssh-keygen".
  4. Once your account is enabled, log in to planet-lab.org and add your key (you'll find it in ~/.ssh/id_dsa.pub) to your account.

Tips

  • Some servers will be down for maintenance, or have other problems. To have ssh give up after a short time, use a ConnectTimeout option "ssh -o ConnectTimeout=1 google.com".
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Topic revision: r3 - 2009-09-30 - 02:39:12 - Main.jakob
 
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