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Green Computing

Green Computing. Green C omputing. Green computing is the study and practice of using computing resources efficiently. criteria for measuring organizational success: The triple bottom line , TBL economic, ecological and social or people, planet, profit. "People" (human capital).

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Green Computing

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  1. Green Computing

  2. Green Computing • Green computing is the study and practice of using computing resources efficiently. • criteria for measuring organizational success: The triple bottom line, TBL • economic, ecological and social • or people, planet, profit

  3. "People" (human capital) • "People" pertains to fair and beneficial business practices toward labor and the community and region in which a corporation conducts its business. • a TBL business would not knowingly use child labour, would pay fair salaries to its workers, would maintain a safe work environment and tolerable working hours, and would not otherwise exploit a community or its labour force. A TBL business also typically seeks to "give back" by contributing to the strength and growth of its community with such things as health care and education.

  4. "Planet" (natural capital) • "Planet" (natural capital) refers to sustainable environmental practices. A TBL company endeavors to benefit the natural order as much as possible or at the least do no harm and curtail environmental impact. • A TBL endeavor reduces its ecological footprint, a measure of human demand on the Earth's ecosystems. • carefully managing its consumption of energy and non-renewables • reducing manufacturing waste • rendering waste less toxic before disposing of it in a safe and legal manner. • avoiding ecologically destructive practices, such as overfishing or other endangering depletions of resources.

  5. "Profit" • "Profit" is the bottom line shared by all commerce, conscientious or not. • the economic benefit enjoyed by the host society. • not limited to the internal profit made by a company or organization.

  6. Approaches to green computing • Algorithmic efficiency • the cost of hardware has declined relative to the cost of energy • Virtualization • With virtualization, several physical systems are combined into one singlesystem, thereby unplugging the original hardware and reducing power and cooling consumption. • Terminal Servers • When using terminal servers, users connect to a central server; all of the computing is done at the server. • Thin client • Power management • The Advanced Configuration and Power Interface (ACPI), an open industry standard, allows an operating system to directly control the power saving aspects of its underlying hardware. • Sleep mode • Energy saving Devices • Solid State storage, LCD monitor with cold-cathode fluorescent bulb or light-emitting diodes (LEDs) • Recycling: e-Waste • Telecommuting • Teleconference, VoIP (Voice Over Internet Protocol)

  7. Research Reveals Environmental Impact of Google Searches • A typical search generates about 7 grams of CO2. Boiling a kettle generates about 15 grams. • Google generated as much greenhouse gas as the world's airlines — about 2 percent of global CO2 emissions. • Google operates huge data centers around the world that consume a great deal of power. • Google has servers in the U.S., Europe, Japan and China. • your request doesn't go to just one server. It goes to several competing against each other and sends you data from whichever produces the answer fastest. The system minimizes delays but raises energy consumption.

  8. Performance per watt • In computing, performance per watt is a measure of the energy efficiency of a particular computer architecture or computer hardware. Literally, it measures the rate of computation that can be delivered by a computer for every watt of power consumed. • FLOPS per watt

  9. The Green Grid • The Green Grid is an international non-profit organization with a mandate to increase energy efficiency in the IT sector. The objectives of this organization include helping to create and promote adoption of metrics and standards to measure datacenter power efficiency, as well as processes and technologies that can help data centers improve performance against those metrics. • Power Usage Effectiveness (PUE) and data center infrastructure efficiency (DCiE) • http://www.thegreengrid.org/

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