<s>
Learning	B-General_Concept
Tools	I-General_Concept
Interoperability	I-General_Concept
(	O
LTI	O
)	O
is	O
an	O
education	O
technology	O
specification	O
developed	O
by	O
the	O
IMS	O
Global	O
Learning	O
Consortium	O
.	O
</s>
<s>
In	O
the	O
current	O
version	O
of	O
the	O
specification	O
,	O
v1.3	O
,	O
this	O
is	O
done	O
using	O
OAuth2	O
,	O
OpenID	O
Connect	O
,	O
and	O
JSON	B-General_Concept
Web	I-General_Concept
Tokens	I-General_Concept
.	O
</s>
<s>
For	O
example	O
,	O
a	O
Learning	B-Application
Management	I-Application
System	I-Application
(	O
LMS	O
)	O
may	O
use	O
LTI	O
to	O
host	O
course	O
content	O
and	O
tools	O
provided	O
by	O
external	O
,	O
third-party	O
systems	O
on	O
a	O
web	O
site	O
,	O
without	O
requiring	O
a	O
learner	O
to	O
log	O
in	O
separately	O
on	O
the	O
external	O
systems	O
,	O
with	O
information	O
about	O
the	O
learner	O
and	O
the	O
learning	O
context	O
shared	O
by	O
the	O
LMS	O
with	O
the	O
external	O
systems	O
.	O
</s>
<s>
Learning	B-General_Concept
Tools	I-General_Concept
Interoperability	I-General_Concept
,	O
then	O
called	O
BasicLTI	O
,	O
originated	O
in	O
2008	O
as	O
a	O
Google	B-Application
Summer	I-Application
of	I-Application
Code	I-Application
project	O
developed	O
by	O
Jordi	O
Piguillem	O
under	O
the	O
mentorship	O
of	O
Charles	O
Severance	O
and	O
Marc	O
Alier	O
.	O
</s>
<s>
In	O
January	O
2014	O
,	O
LTI	O
v2.0	O
was	O
released	O
,	O
providing	O
REST-based	O
two-way	O
communication	O
between	O
the	O
external	O
tool	O
and	O
the	O
invoking	O
platform	O
.	O
</s>
<s>
In	O
May	O
2019	O
,	O
the	O
IMS	O
Security	O
Framework	O
and	O
LTI	O
v1.3	O
were	O
published	O
,	O
based	O
on	O
OAuth2	O
,	O
OpenID	O
Connect	O
,	O
and	O
JWT	B-General_Concept
.	O
</s>
<s>
Popular	O
Learning	B-Application
Management	I-Application
Systems	I-Application
,	O
such	O
as	O
D2L	B-Application
Brightspace	I-Application
,	O
Instructure	O
Canvas	O
,	O
Blackboard	B-Protocol
,	O
BenchPrep	O
,	O
LAMS	B-Protocol
,	O
OpenLearning	B-Protocol
,	O
Sakai	B-Language
,	O
Moodle	B-Application
,	O
iTeach	O
and	O
Open	B-Application
edX	I-Application
also	O
support	O
LTI	O
.	O
</s>
