Energy Conservation in Content Distribution Networks

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Presentation transcript:

Energy Conservation in Content Distribution Networks Saif ul Islam IRIT, University of Toulouse, France

Energy Conservation Techniques Origin Modeling Energy Conservation Techniques Origin CDN server’s Utilization Utilization-aware Energy Consumption Model Switching-off/sleep Servers Frequency Scaling? CDN 1 CDN 2 CDN n Closest Surrogate Closest Origin Server Random Load-balance Load-unbalance Client Requests Redirection Policies Response Time Request Loss Hit Ratio Byte Hit Ratio User Experience User 1 User 2 User n

Some Results

Potential Issues Frequency Scaling in CDN servers according to the load? Any other energy conservation technique? Does it matter to consider network energy cost or content transport energy cost in CDNs? Other QoE metrics to consider?