ONE LAPTOP PER CHILD This works are licensed under a Creative Commons Attribution 2.5 License. One Laptop per Child Michail Bletsas, Chief Connectivity Officer One Laptop per Child

ONE LAPTOP PER CHILD This works are licensed under a Creative Commons Attribution 2.5 License. Overview (1) Mesh Development Status (2) What kind of network infrastructure will be required on-site? (3) Making the mesh denser (4) Next steps

ONE LAPTOP PER CHILD This works are licensed under a Creative Commons Attribution 2.5 License. XO Networking Architecture USB 2.0 Bus AMD LX700 CPU Marvell 8388 SoC Radio Layer 2: Frames Layer 3: Packets

ONE LAPTOP PER CHILD This works are licensed under a Creative Commons Attribution 2.5 License. Development Status Firmware Driver Service Discovery P2P Applications MPP

ONE LAPTOP PER CHILD This works are licensed under a Creative Commons Attribution 2.5 License. Network Infrastructure Needed Always ON internet connection at the school One per school or One shared among a school district AP or OLPC server at the school ~35 XOs per AP/Server radio

ONE LAPTOP PER CHILD This works are licensed under a Creative Commons Attribution 2.5 License. Mesh Density

ONE LAPTOP PER CHILD This works are licensed under a Creative Commons Attribution 2.5 License. Repeater

ONE LAPTOP PER CHILD This works are licensed under a Creative Commons Attribution 2.5 License. Active Antenna

ONE LAPTOP PER CHILD This works are licensed under a Creative Commons Attribution 2.5 License. Next Steps Firmware Enhancements: Autostart, Simpler Control, Mesh Beacons, WPA2, L2 Portal Driver: WPA2, Mesh Control Connectivity Manager P2P applications