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Building Scalable IMS LTI Tools Using the TSUGI Framework
The document discusses building scalable IMS LTI tools using the Tsugi framework, highlighting its capabilities for tool hosting and its compliance with IMS specifications. It contrasts LTI 1.x and LTI 2.x, emphasizes the importance of data ownership, and outlines next steps for internationalization and support for various IMS technologies. The author aims to foster a collaborative tool ecosystem among different learning management systems and is pursuing Apereo incubation for Tsugi.
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Building Scalable IMS LTI Tools Using the TSUGI Framework
- 1. Building Scalable IMSLTI Tools Using the TSUGI Framework Charles Severance University of Michigan School of Information Longsight, Inc.
- 2. Disclaimer... What I amabout to talk about is not an official direction or position of the University of Michigan, Longsight, nor IMS Global.
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- 5. Project Tsugi • ToolHosting Container (i.e. Like a B2) – PHP now, Java planned • Based on IMS Specifications – LTI 1.x / LTI 2.x / IMS Settings / Common Cartridge / Caliper / CASA / Roster / Gradebook / .... • Tools can run on a campus hosting platform or commercial provider or cloud • Tools are "installed" into hosting containers
- 6. From the 2003Sakai Proposal http://www-personal.umich.edu/~csev/papers/2004/2004_03_01_mellon_sakai_proposal.pdf
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- 9. "Large Midwestern University" Sakai ....... Lookspretty cool.... But...
- 10. Sakai • Where isthe user data?? • What happens when there are 50 apps? • What if the app is free and hosted by a professor? • What happens if we stop paying the license?
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- 12. LTI 1.x versusLTI 2.x and Beyond • LTI 1.x – Three pages of spec and some "hello world" code • LTI 2.x – Several specs – multiple interactions – We will need to share common implementations across instructions • And what about Caliper, Casa, xAPI, etc. ??
- 13. Multiple LMS Campus+ App Store App Store Tool Tool Tool Tool...
- 14. Multiple LMS Campus+ App Store App Store Tool Tool Tool Tool Tsugi Hosting Container Tool ToolTool ... Install
- 15. Tsugi Exp Multiple LMS Campus+ App Store App Store Tool Tool Tool Tool Tsugi Prod Tool ToolTool ...
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- 21. • Install /Configuration similar to Moodle • Emulate the Moodle APIs / Runtime • Multi-tenant • Cookie free (i.e. loves iframes) • Uses PDO with some rules about FK for easy cleanup • Auto-ddl feature to upgrade schema PHP Tsugi
- 22. PHP Tsugi ToolCode <?php require_once "../../config.php"; require_once $CFG->dirroot."/lib/lms_lib.php"; $LTI = lti_require_data(array('user_id', 'result_id', 'role','context_id')); $displayname = $USER->displayname; // Start of the output $OUTPUT->header(); $OUTPUT->start_body(); ... $OUTPUT->footer();
- 23. Demos • https://lti-tools.dr-chuck.com/tsugi/ • https://qa10.longsight.com/ –Join site "TSUGI Test"
- 24. PHP Tsugi NextSteps • Architecture Review / Critique • Internationalization – need help • Outreach to the Moodle community • IMS LTI 2.0 Support • xAPI support • IMS Caliper Support • IMS Casa Support Tsugi is in 24x7 production and I can support a few experimenters on my servers.
- 25. Java Tsugi Dreams Sakai Sakai Tool Sakai Blackboard B2 Tool B2 Iam not in a rush to do the Java port. I want to stay agile and use PHP as an architecture proof of concept. The Java port will be simple and fast with PHP in hand.
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- 27. Thinking Big... • Ihope to bring TSUGI to Apereo Incubation before next conference • I would like to build a tool ecology to benefit all teachers regardless of LMS • I want us to own our data and cloud choices • I want to see Blackboard, Moodle, Canvas, and D2L schools joining Apereo
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