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Interoperability and APIOpen, standards based architecture
Bruno Van Haetsdaele
Chief Architect
© 2008 Wimba – Proprietary and Confidential
The following is intended to outline our general product direction. It is intended for information purposes only, and may not be incorporated into any contract. It is not a commitment to deliver any material, code, or functionality. The development, release, and timing of any features or functionality described for Wimba’s products remains at the sole discretion of Wimba.
© 2008 Wimba – Proprietary and Confidential
What is interoperability?
ISO/IEC 2382-01 definition:
What is interoperability ?
What is interoperability ?
“The capability to communicate, execute programs, or transfer data among various functional units in a manner that requires the user to have little or no knowledge of the unique characteristics of those units.”
“The capability to communicate, execute programs, or transfer data among various functional units in a manner that requires the user to have little or no knowledge of the unique characteristics of those units.”
© 2008 Wimba – Proprietary and Confidential
What does it mean for Wimba and our users ?
© 2008 Wimba – Proprietary and Confidential
Impact:• User experience• Flexibility• Lower costs• Innovation
Enablers:• Protocols• File formats• Standards• APIs• Open source
Obstacles:• Patents• Trade secrets• Coordination
failures
How to achieve interoperability ?
© 2008 Wimba – Proprietary and Confidential
OutlineOutline
Edu
catio
nE
duca
tion
Rich Media CollaborationRich Media Collaboration
Web 2.0Web 2.0
Outline
© 2008 Wimba – Proprietary and Confidential
• Wimba Voice into Wimba Create documents
• Post a Wimba Classroom archive in the Podcaster
• Associate a Voice Board to each Live Classroom
• Education• Share• Unified
management
Kiwi: a platform for the suiteGreater interoperability inside the Wimba suite
© 2008 Wimba – Proprietary and Confidential
Kiwi Platform architecture Open and scalable
Users
Courses
Member.
Users
Courses
Member.
Messaging
Services
(XMPP)
Messaging
Services
(XMPP)
Media
Services
(iax/vnc)
Media
Services
(iax/vnc)
Pronto
Services
Pronto
Services
DatabaseDatabase File SystemFile System
AdminAdmin ARAR CMCM prontopronto
Assess
Services
Assess
ServicesClassroom
Services
Classroom
ServicesVoice
Services
Voice
Services
assessassess classroomclassroom voicevoice
© 2008 Wimba – Proprietary and Confidential
• XMPP• Asterisk / IAX / SIP• Xiph Speex, Theora• MP3 audio for Voice,
Classroom• VNC
Rich Media CollaborationBuilt using proven standards and projects
© 2008 Wimba – Proprietary and Confidential
• XMPP is gaining momentum:– XMPP IETF approved standard since 2004
– GoogleTalk native protocol
– AOL is experimenting with XMPP
– Apple iChat supports XMPP
• Wimba is extending XMPP for Pronto and Classroom
• XMPP Federation
Leveraging the XMPP standards
© 2008 Wimba – Proprietary and Confidential
• IMS Standards– LTI: Learning Tools Interoperability– QTI: Question and Test Interoperability– Enterprise– Common Cartridge– IA: Information Analytics
• Advanced Distributed Learning: SCORM
• Schools Interoperability Framework Associations
Education standards
© 2008 Wimba – Proprietary and Confidential
• Instructors and students:– Easy navigation from the CMS to external applications
– Single sign on
– Deep integration in the course
• System Administrators– Easy deployment and configuration
– Robust integrations
• Software developers– More time spent in innovations, less in proprietary integrations
IMS Learning Tools InteroperabilityWhat is the user need ?
© 2008 Wimba – Proprietary and Confidential
Are these needs met today ?Wimba CMS Integrations…
• Wimba APIs
• .NET Portal components
• C and Java Powerlinks
• Java Building Blocks
• Java Sakai portlets
• PHP Moodle modules
© 2008 Wimba – Proprietary and Confidential
IMS LTI defines:
• Tool Producer contract
• Tool Consumer contract
• Web Services communication
• XML configuration
• Common CSS
As easy as Facebook or Google Apps
Learning Tools Interoperability
© 2008 Wimba – Proprietary and Confidential
• Faster time to market
• Easier to upgrade integration functionality
• Increased robustness across versions of tool / cms
• Less effort in developing integrations, more in innovation
• Integration API for other CMS and more…
IMS Learning Tools InteroperabilityWhat is the impact ?
© 2008 Wimba – Proprietary and Confidential
• Capture: – Usage / Adoption
– Course Context usage
– Instructor/Student interactions
• Measure– Social network inside the course / school
– Collaboration index
– Student engagement
• Improve– Student retention
– Learning Outcome
Collaboration Reporting APIs for Information analytics
© 2008 Wimba – Proprietary and Confidential
Web 2.0 APIs for 21st century teaching and learning ?
© 2008 Wimba – Proprietary and Confidential
Mashup example
Geo location of Pronto users connected Friday, February 29th at 11am ET, based on IP addresses, using Google Maps and ip2location.com
