a merican i nstitutes for r esearch thin client computer labs in cambodia educational support to...
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AMERICAN INSTITUTES FOR RESEARCH
Thin Client Computer Labs in Thin Client Computer Labs in CambodiaCambodia
Educational Support to Educational Support to Children in Underserved Children in Underserved
Populations (ESCUP)Populations (ESCUP)
AMERICAN INSTITUTES FOR RESEARCH
Goals of ESCUPGoals of ESCUP
Address the needs of improved Address the needs of improved educational access and quality to educational access and quality to marginalized groups in Cambodia marginalized groups in Cambodia including ethnic minorities (Muslims including ethnic minorities (Muslims groups-such as Cham-and highland groups-such as Cham-and highland peoples), children with special needs, peoples), children with special needs, the very poor, girls, and children the very poor, girls, and children infected or affected by HIV/AIDSinfected or affected by HIV/AIDS
AMERICAN INSTITUTES FOR RESEARCH
Thin Clients Bottom LineThin Clients Bottom Line
Set of computer workstations working Set of computer workstations working off a single serveroff a single server
Simulates a one to one computer Simulates a one to one computer experienceexperience
Potential benefits: cost savings from Potential benefits: cost savings from reduced equipment and energy needs, reduced equipment and energy needs, low maintenance requirementslow maintenance requirements
Potential hazards: centralized Potential hazards: centralized dependence on a single server, high dependence on a single server, high energy needs for serverenergy needs for server
AMERICAN INSTITUTES FOR RESEARCH
Students at Kor Secondary school in thin client Students at Kor Secondary school in thin client computer lab established July 2008computer 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
AMERICAN INSTITUTES FOR RESEARCH
Typical challenges to computer Typical challenges to computer labslabs
High costs for equipment, set-up, High costs for equipment, set-up, maintenance, securtiymaintenance, securtiy
High energy costsHigh energy costs TheftTheft VirusesViruses Upgrade needs and costsUpgrade needs and costs
AMERICAN INSTITUTES FOR RESEARCH
Kor Secondary School PilotKor Secondary School Pilot
World Education is implementing World Education is implementing partnerpartner
Local partner (Kampuchean Action for Local partner (Kampuchean Action for Primary Education) helped renovate Primary Education) helped renovate classroom classroom • tile floor and ceiling tile floor and ceiling • dust proofingdust proofing
Community provided $1,000 cost shareCommunity provided $1,000 cost share Microsoft advised on suppliers, Microsoft advised on suppliers,
software, etcsoftware, etc
AMERICAN INSTITUTES FOR RESEARCH
Unit cost for equipment in a thin Unit cost for equipment in a thin client lab and a traditional labclient lab and a traditional lab
Thin Client LabThin Client Lab Traditional LabTraditional LabStudent Workstation EquipmentStudent Workstation EquipmentThin Client unit or CPU Thin Client unit or CPU $145$145 $480$480Monitor and KeyboardMonitor and Keyboard $180$180 $120$120Surge Protector/BatterySurge Protector/Battery $5$5 $90$90Student Workstation TotalStudent Workstation Total $330$330 $690$690
Teacher Workstation EquipmentTeacher Workstation EquipmentThin Client unit or CPU Thin Client unit or CPU $720$720 $480$480Monitor and KeyboardMonitor and Keyboard $180$180 $120$120Surge Protector/BatterySurge Protector/Battery $90$90 $90$90PrinterPrinter $200$200 $200$200Teacher Workstation TotalTeacher Workstation Total $1,190$1,190 $890$890
Lab set-up with 11 student workstations and one teacher Lab set-up with 11 student workstations and one teacher workstationworkstation
$4,820$4,820 $8480$8480
AMERICAN INSTITUTES FOR RESEARCH
Energy CostsEnergy Costs
Solar panels minimize recurring utility costsSolar panels minimize recurring utility costs• $5,000 (2 panels) for Thin Client$5,000 (2 panels) for Thin Client• $30,000 in solar panels needed for traditional $30,000 in solar panels needed for traditional
lablab LCD monitors higher up front cost but use LCD monitors higher up front cost but use
65% less energy (30 watts + 5 for thin 65% less energy (30 watts + 5 for thin client unit)client unit)• CPU’s consume 150 watts and CRT monitors CPU’s consume 150 watts and CRT monitors
another 100 wattsanother 100 watts UPS battery only required for teacher UPS battery only required for teacher
workstationworkstation
AMERICAN INSTITUTES FOR RESEARCH
AdvantagesAdvantages
Each station consumes 35 watts compared Each station consumes 35 watts compared to 250 watts for traditional PC to 250 watts for traditional PC
Equipment is 44% cheaper and 88% Equipment is 44% cheaper and 88% reduction in energy usereduction in energy use
Fewer moving parts per workstation = Fewer moving parts per workstation = reduced maintenance needs and costsreduced maintenance needs and costs
Less vulnerable to USB/CD based virusesLess vulnerable to USB/CD based viruses Upgrade costs of RAM, software etc apply to Upgrade costs of RAM, software etc apply to
only one computer, rather than severalonly one computer, rather than several Theft less likely (though monitors will be Theft less likely (though monitors will be
tempting)tempting)
AMERICAN INSTITUTES FOR RESEARCH
DisadvantagesDisadvantages
Dependence on a single serverDependence on a single server Configuration and maintenance Configuration and maintenance
requires additional trainingrequires additional training Higher energy consumption of server Higher energy consumption of server
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