In this video I demonstrate the use of the Moodle LTI Provider Plugin written by Juan Leyva - moodle.org/plugins/view.php?plugin=local_ltiprovider
I show how I plugged Moodle into Sakai for use in one of my undergraduate classes at the University of Michigan Winter 2012.
IMS Learning Tools Interoperability is a standard that is used to plug tools into Learning Management Systems in a portable manner. IMS LTI handles secure launches between the LMS and External Tool and with IMS LTI 1.1 it allows the external tool to pass grades back to the LMS via web services. imsglobal.org/developers/LTI/