Changes between Version 12 and Version 13 of GEC18Agenda/LabWikiAndOEDL/Experiment2


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Timestamp:
10/22/13 06:23:19 (7 years ago)
Author:
thierry.rakotoarivelo@nicta.com.au
Comment:

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  • GEC18Agenda/LabWikiAndOEDL/Experiment2

    v12 v13  
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    225225 }}}
    226  5. We then define the tasks to perform when all the resources and declared applications in all the defined groups are ready.
    227    * tracker: this group includes a single resource, which will act as the BitTorrent tracker for the other resources. We associate a ''bttrack'' application to this group, and set the parameter properties for that application.
    228    * seeder: this group holds the resources which will seed the video content to the other resources. Thus it has a transmission daemon application associated to it, with the correct parameter set.
    229    * leecher: this group contains the resources which will download the video content from other peers. It also has an associated transmission daemon application.
    230 
    231 
     226 5. We then define the tasks to perform at time '''t''' when all the resources and declared applications in all the defined groups are ready. The time offsets below are in seconds.
     227   * t: we start the cleaning applications on all the leechers and all the resources
     228   * t+10: we start the tracker application on the tracker resource
     229   * t+15: we start the BitTorrent applications on the peers (i.e. seeders and leechers)
     230   * t+20: we limit the upload rate on all the peers. Note that here we are using the '''exec''' OEDL command, which allows you to request the execution of a shell command on a group of resources.
     231   * t+25: we start the VLC application on the peers downloading the video content
     232   * finally we let the experiment run until t+220, when we perform another cleaning task before terminating the experiment run
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