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Learning Tools Interoperability® (LTI®) - Why
the big deal?
Stephen P Vickers, IMS Global

3. © 2016 IMS Global Learning Consortium, Inc. All Rights Reserved
IMS Innovation Revolution
“Better Learning From Better Learning
Technology”
• Seamless plug & play integration
– creates better user experiences & enables greater
educational insight
• Agile open architecture & extensive ecosystem
– enables flexibility, efficiency & choice
• Effective member-based collaboration
– means getting to the future sooner with sustainable
progress

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A New Architecture for Learning

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What is LTI?
• A standard mechanism for seamlessly, but securely, connecting
learning applications and remote content to virtual learning
environments (VLEs) and enterprise portals

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VLE
What is LTI?
Gradebook
Announcements
Discussion
board
eTextbook
eTextbook
(with LTI)
Assignments

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Essential Ingredients
• Connections configured using:
– launch URL
– consumer key (to identify customer)
– shared secret (to sign messages)
• Data shared:
– user
– context
– role

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LTI Versions
• LTI 1.0, Basic LTI (May 2010): launch
• LTI 1.1 (March 2012): Outcomes service
• LTI 1.1.1 (June 2012): Mentor role
• LTI 2.0 (January 2014): REST/JSON, registration process, tool
settings service, LTI service support for tool consumers and
tool providers
• LTI 1.2 (February 2015): LTI service support for tool consumers

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LTI 1.0/1.1
Tool Provider
Tool Consumer
Admin
1. URL, key, secret
2. Configure
3. Click link
System
Administrator
Teacher
or Student
Outcomes service
(read, update, delete)

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How can LTI benefit me?

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LTI Components
• Messages:
– launch
– content-item selection
• Services:
– tool settings
– outcomes 2 (public draft)
– memberships (public draft)

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So why bother with LTI?
• Because it is “simply the best”!
• Easier to implement than other standard solutions
• No code needs to be added to VLEs
• Solution works with (almost) every VLE
• IMS-backed certification

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LTI 2, or Not LTI 2: that is the question!
• LTI 2 brings YOU:
– a simpler, more secure way of registering tools
– more control over what data you share with each partner
– an extensible architecture allowing LTI security to be used for
bespoke messages and services with third parties

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Questions?
• Useful references:
– IMS website – http://www.imsglobal.org/lti
– LTI Briefing Paper –
http://publications.cetis.ac.uk/wp-
content/uploads/2012/05/LTI-Briefing-Paper.pdf
– Best practice – http://celtic.lti.tools/wiki/LTI/Best_Practice
– Rating integrations – http://lti.tools/rate
– Test site – http://lti.tools/test/

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