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ONE LAPTOP PER CHILD
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One Laptop per Child
Software Roadmap
May 20, 2008
One Laptop per Child
ONE LAPTOP PER CHILD
This works are licensed under a Creative Commons Attribution 2.5 License.
Software Technologies
Many new technologies in one laptop: Power Management Mesh Networking/Collaboration Sugar User Interface Datastore and Journal Security
Infrastructure Support School Server Power devices
ONE LAPTOP PER CHILD
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Creating the Roadmap
Gather feedback Prioritize features and bug fixes Evaluate the work effort Determine the resources and time frame Come up with Roadmap
ONE LAPTOP PER CHILD
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Gather Feedback
Feedback from: Deployments (teachers, administrators,
technical) Uruguay, Peru, Mongolia, others
Market Development (sales/marketing) G1G1 program Support Community: Educators and Developer
ONE LAPTOP PER CHILD
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Prioritizing the Work
Fix Touchpad Improve Keyboard tearing problem Getting Started Guides, Videos, Manual Easier XO upgrades Better battery life More reliable activity collaboration XO backups to school server
ONE LAPTOP PER CHILD
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Prioritizing (cont)
Sugar UI performance, Browse features Preload Flash Sugar emulator for training Journal/Datastore fixes and enhancements User or teacher defined ‘groups’
ONE LAPTOP PER CHILD
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SW Release Roadmap
Major release every 4-5 months Minor or bug fix releases in between Developer builds available continuously
Nov 2007 Mar 2008 Aug 2008 Jan 2009
Ship1, b650 8.1.0(Update.1, 703)
b653 b656 8.1.1
8.2.0 9.1.0
8.2.1
ONE LAPTOP PER CHILD
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SW Release Roadmap
8.1.0 - power button suspend; first level activity isolation (security); bug fixes; wifi solution for >20 laptops
8.2.0 - improved collaboration/mesh, some improvement in battery life, UI response, XO backups
9.1.0 - better scalability with collaboration; dynamic suspend/resume (battery life); robust, reliable datastore
Nov 2007 Mar 2008 Aug 2008 Jan 2009
Ship1, b650 8.1.0(Update.1, 703)
b653 b656 8.1.1
8.2.0 9.1.0
8.2.1
ONE LAPTOP PER CHILD
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Power Management Available today:
Hardware ready for suspend/resume Update.1 has support for sleep on lid close or
button About 4 hours of battery life during normal use 14-16 hours of battery life in sleep mode
Future: OHM management for suspend/resume eBook mode to >10 hours Aggressive CPU suspend
ONE LAPTOP PER CHILD
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Mesh and Collaboration
Available today: 802.11b/g - via infrastructure access point Small groups of simple mesh, wifi school server Collaboration in small groups
Future: Track 802.11s evolution, address scaling, develop
robust middleware/APIs Corner cases - many students start up at once More robust server process for sharing outside of
local mesh Better sharing at activity level
ONE LAPTOP PER CHILD
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User Interface
Available today: Views: Home, Group, Neighborhood, Activity Frame: People, Places, Objects, Actions Emphasize collaboration and simplicity Invite or share activities with others
Future: Better performance Flesh out the concept of Groups or Friends Support for other desktops (KDE, Gnome) Port to other platforms (HW and OS)
ONE LAPTOP PER CHILD
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Datastore / Journal
Available today: How docs are created; by whom Easy use; auto save Chronological list of activities/objects
Future: Scaling and Robustness Bulk file transfers, transfers outside of the Journal Versioning, XO to XS backup
ONE LAPTOP PER CHILD
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Security Available today:
Signed software (both OFW and OS) Activities isolated from filesystem Linux desktop
Future: Anti-theft of the delivery chain - activation lease Activity isolation from network, Address root
access issues Passive and Active kill Activity signing, Identity authentication
ONE LAPTOP PER CHILD
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XS School Server HW / AP XS Hardware Specifications:
1GHz+ x86 processor, 1+ GB main memory Four to six USB interfaces and an external disk drive One 300-500GB+ 3.5in SATA drive Power and space for a second disk drive Two 100baseT network interfaces
Cost: approximately $600 - $1000 USD (or more)
Access Point Specifications: 802.11b/g Zoom 4400 has been tested at OLPC
Cost: approximately $40
ONE LAPTOP PER CHILD
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XS School Server SW
Available today: Fedora-based OS; standard services (DHCP,
DNS, Apache, uplink) Web cache, local content and upgrades for XOs Presence server for collaboration
Future: XO backup/restore to XS Remote management of XS Filtering, Scalability
ONE LAPTOP PER CHILD
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Support ticket info
ONE LAPTOP PER CHILD
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Tech Support TicketsTech Support Tickets
Connectivity24%
Getting Started17%
Flash/Other SW8%Power/Other HW
7%
DOA/Returns9%
Keyboard/Touchpad8%
Activities9%
Other18%
ONE LAPTOP PER CHILD
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Tech Tickets
0
10
20
30
40
50
60
70
1 2 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
ConnectivityGetting StartedDOA/ReturnsActivity QuestionsFlash/Other SWOther HWKeyboard/Touchpad
Jan 08 Week
ONE LAPTOP PER CHILD
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XO under a tree
Up to 10 laptops can collaborate with no wireless infrastructure
ONE LAPTOP PER CHILD
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XO with AP
AP/Router
CH1
Up to 20 Laptops / Access Point
More than 60 laptops and 3 Access Points requires site survey and carefully designed infrastructure
ONE LAPTOP PER CHILD
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XO with XS Server
XSSchool Server
AP
CH1
CH6
CH11
Up to 50 laptops per AP
Up to 1000 laptops per school serverRequires RF site survey and carefully designed infrastructure
ONE LAPTOP PER CHILD
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