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Thin Client Computer Labs in Cambodia

Thin Client Computer Labs in Cambodia Educational Support to Children in Underserved Populations (ESCUP) Goals of ESCUP

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Thin Client Computer Labs in Cambodia

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  1. Thin Client Computer Labs in Cambodia Educational Support to Children in Underserved Populations (ESCUP)

  2. Goals of ESCUP • Address the needs of improved educational access and quality to marginalized groups in Cambodia including ethnic minorities (Muslims groups-such as Cham-and highland peoples), children with special needs, the very poor, girls, and children infected or affected by HIV/AIDS

  3. Thin Clients Bottom Line • Set of computer workstations working off a single server • Simulates a one to one computer experience • Potential benefits: cost savings from reduced equipment and energy needs, low maintenance requirements • Potential hazards: centralized dependence on a single server, high energy needs for server

  4. Students at Kor Secondary school in thin client computer lab established July 2008 • 11 workstations networked to 1 CPU • 2 Solar Panels provide sustainable power • If successful, 12 TC labs to be established in 2009

  5. Typical challenges to computer labs • High costs for equipment, set-up, maintenance, securtiy • High energy costs • Theft • Viruses • Upgrade needs and costs

  6. Kor Secondary School Pilot • World Education is implementing partner • Local partner (Kampuchean Action for Primary Education) helped renovate classroom • tile floor and ceiling • dust proofing • Community provided $1,000 cost share • Microsoft advised on suppliers, software, etc

  7. Unit cost for equipment in a thin client lab and a traditional lab Thin Client Lab Traditional Lab Student Workstation Equipment Thin Client unit or CPU $145 $480 Monitor and Keyboard $180 $120 Surge Protector/Battery $5 $90 Student Workstation Total $330 $690 Teacher Workstation Equipment Thin Client unit or CPU $720 $480 Monitor and Keyboard $180 $120 Surge Protector/Battery $90 $90 Printer $200 $200 Teacher Workstation Total $1,190 $890 Lab set-up with 11 student workstations and one teacher workstation $4,820 $8480

  8. Energy Costs • Solar panels minimize recurring utility costs • $5,000 (2 panels) for Thin Client • $30,000 in solar panels needed for traditional lab • LCD monitors higher up front cost but use 65% less energy (30 watts + 5 for thin client unit) • CPU’s consume 150 watts and CRT monitors another 100 watts • UPS battery only required for teacher workstation

  9. Advantages • Each station consumes 35 watts compared to 250 watts for traditional PC • Equipment is 44% cheaper and 88% reduction in energy use • Fewer moving parts per workstation = reduced maintenance needs and costs • Less vulnerable to USB/CD based viruses • Upgrade costs of RAM, software etc apply to only one computer, rather than several • Theft less likely (though monitors will be tempting)

  10. Disadvantages • Dependence on a single server • Configuration and maintenance requires additional training • Higher energy consumption of server (?)

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