Universitat de València (Spain) LMS EVOLUTION TO IMPROVE USE RESULTS 1 Paloma Moreno-Clari Salvador Roca-Marquina Darío Roig-García 1 IADIS e-Learning 2009 in Algarve, Portugal
Index Introduction Who we are? About University of Valencia.LRN is our e-learning platform Usage Data Analysis E-learning Service was introduced in our university in the academic year 2004/2005 Hardware evolution Analyzing the statistics of usage we are going to show how the service has evolved 22 2 IADIS e-Learning 2009 in Algarve, Portugal
Introduction Computer Center IS Group e-learning Team 3 IADIS e-Learning 2009 in Algarve, Portugal ( June) 3 3 IADIS e-Learning 2009 in Algarve, Portugal
Services support to teach E-learning platform: aulavirtual.valencia.eduaulavirtual.valencia.edu Video service: mmedia.valencia.edummedia.valencia.edu Blog wordpress: blogs.valencia.edublogs.valencia.edu 44 4 IADIS e-Learning 2009 in Algarve, Portugal
Blended learning Academic year offer Technical and basic sciences Sciences of the health Social sciences Humanities Education Teachers Students Classroom modules 55 5 IADIS e-Learning 2009 in Algarve, Portugal
.LRN: The e-learning platform.LRN provides a comprehensive suite of collaboration tools, a flexible toolset for innovation, and an enterprise-class infrastructure for scalable deployment. 66 Wiki 6
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.LRN: The e-learning platform The platform follows the main standards of the industry SCORM Support IMS Metadata, IMS Content Packaging, ADL SCORM extensions, IMS Question & Test Interoperability IMS Learning Design Accessibility WC3 WAI WCAG level AA 88 8 IADIS e-Learning 2009 in Algarve, Portugal
SCORM IADIS e-Learning 2009 in Algarve, Portugal ( June) 9 9 IADIS e-Learning 2009 in Algarve, Portugal
USAGE DATA ANALYSIS We want to know how the system usage grows every year We have two approaches to measure it: Tools Usage Number of logins to the application 10 IADIS e-Learning 2009 in Algarve, Portugal
Percentage groups by tools (15 more entities) Economics Engineering Social Resources (docs in electronic format) News Mails Forums Gradebook Activities Assessments 11
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DATA ANALYSIS RESULTS The usage of the e-learning system is increasing The number of users is increasing too. The Bologna Process is changing the way of evaluating students Assessments online Interactive Activities: forums, wikis, blogs, etc We need a High Availability and Scalability System 14 IADIS e-Learning 2009 in Algarve, Portugal
Hardware Evolution 15 BALANCER HW 15
Web Tier Nginx (web + balancer SW) Web service provides static resources Balancer service Using this Balancing service we can make rules based on the applications or tools: Application Server Nodes: Nodo 1: users sending Mails Nodo 2: users doing Assessments (important task) Nodo 3, 4, 5 y 6: users working with other tools 16 IADIS e-Learning 2009 in Algarve, Portugal
17 CLUSTER WEB: ALL THE TIME THE SERVER IS USED 17
Application Tier Cluster Nodo 1, Nodo 2 …. to Nodo 6 AOLSERVER is the web application server The elearning.LRN is a scalable solution We can add N servers to support N users 18 IADIS e-Learning 2009 in Algarve, Portugal
19 APPLICATION CLUSTER: business logic, elearning platform 19 IADIS e-Learning 2009 in Algarve, Portugal
20 NODO 1: Lectures send about mails per day
Future Work (I) Database tier Single Point of Failure Postgresql 8.4 Fault Tolerance Active/Passive Cluster – Heartbeat 21
Future Work (II) 22 4 Km 5 Km 11 Km 18 Km Primary DC Burjassot Recovery DC Taronger Historical Building Blasco Ibáñez Campus Different Physic Paths NETWORK 10G: 22 IADIS e-Learning 2009 in Algarve, Portugal
Thank you for your attention! For contacts: Visit: dotlrn.orgdotlrn.org 23 IADIS e-Learning 2009 in Algarve, Portugal