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ElasticTree: Saving Energy in Data Center Networks

What makes this real? • BeGer understanding of: – algorithmic tradeoffs – applica%on behavior – protocol interac%ons • Switches with sleep mode | ElastìcTree Saving Energy in Data Center Networks Brandon Heller Stanford Srini Seetharaman Deutsche Telekom R D Los Altos Priya Mahadevan Hewlett-Packard Labs Palo Alto Yiannis Yiakoumis Stanford Puneet Sharma Hewlett-Packard Labs Palo Alto Sujata Banerjee Hewlett-Packard Labs Palo Alto Nick McKeown Stanford 2 Network Power Consumption 6B kWh in 2006 267K average size homes 50M a month a ginormous amount of CO2 2x increase projected for 2011 48-port Switch 150W nothing connected 185W all 48 1G links on Power Meter