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Building Scalable and Repeatable Experiments in ExoGENI and InstaGENI Environments

Explore systematic experimentation in scalable and repeatable environments with insights from experts Xuan Liu, Gary Wong, Paul Ruth, and others. Learn how to start small, focus on one variable at a time, and effectively manage your work with case studies like virtual router failure restoration. This session includes practical applications such as writing scalable ExoGENI velocity scripts, manipulating RSpecs, and utilizing `geni-lib` to build small applications for experimenters, as well as transitioning images between ExoGENI and InstaGENI platforms.

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Building Scalable and Repeatable Experiments in ExoGENI and InstaGENI Environments

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  1. Systematic ExperimentationBuilding Scalable, Repeatable Experiments • Start small; Change one thing at a time; Save your work • Case Study: Virtual Router Failure Restoration • Xuan Liu, UMKC/GPO • Images & Install Scripts • InstaGENI install script and image snapshotting – Gary Wong, U of Utah • New ExoGENI image snapshotting feature and Writing scalable ExoGENI velocity scripts – Paul Ruth, ExoGENI • Converting ExoGENI images to InstaGENIimages – Ezra Kissel, U of Indiana • Manipulating RSpecs • `geni-lib` to build small apps for experimenters - Nick Bastin, Barnstormer Softworks Slides and video on the session page

  2. Scalable Experiments • Writing scalable ExoGENI velocity scripts • `geni-lib` to build small apps for experimenters Example: Scalable ExoGENI velocity postboot script to set host names in /etc/hosts Example: Find xenInstaGENI VM servers at MAX IG

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