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Energy Conservation in Content Distribution Networks

Energy Conservation in Content Distribution Networks. Saif ul Islam IRIT, University of Toulouse, France. Modeling. Energy Conservation Techniques. Origin. CDN server’s Utilization Utilization - aware Energy Consumption Model . Switching -off/ sleep Servers Frequency Scaling ?.

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Energy Conservation in Content Distribution Networks

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  1. Energy Conservation in Content Distribution Networks Saiful Islam IRIT, University of Toulouse, France

  2. Modeling Energy Conservation Techniques Origin • CDN server’sUtilization • Utilization-awareEnergyConsumption Model • Switching-off/sleep Servers • FrequencyScaling? CDN 1 CDN 2 CDN n • ClosestSurrogate • ClosestOrigin Server • Random • Load-balance • Load-unbalance Client Requests Redirection Policies • Response Time • RequestLoss • Hit Ratio • Byte Hit Ratio User Experience User 1 User 2 User n

  3. SomeResults

  4. Potential Issues • FrequencyScaling in CDN servers according to the load? • Anyotherenergy conservation technique? • Doesitmatter to consider network energycost or content transport energycost in CDNs? • OtherQoEmetrics to consider?

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