Universitat de València (Spain)

LMS EVOLUTION TO IMPROVE USE RESULTS

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Paloma Moreno-ClariSalvador Roca-Marquina

Darío Roig-García

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IndexIntroduction

Who we are? About University of Valencia.LRN is our e-learning platform

Usage Data AnalysisE-learning Service was introduced in our

university in the academic year 2004/2005Hardware evolution

Analyzing the statistics of usage we are going to show how the service has evolved

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Introduction

Computer CenterIS Group

e-learning Team

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Portugal (17 - 20 June)3

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Services support to teachE-learning platform: aulavirtual.valencia.edu

Video service: mmedia.valencia.edu

Blog wordpress: blogs.valencia.edu

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Blended learningAcademic year offer

Technical and basic sciences  Sciences of the healthSocial sciencesHumanitiesEducation

3.500 Teachers40.000 Students 8.000 Classroom modules

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.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.

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Wiki

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.LRN: The e-learning platformThe platform follows the main standards of

the industrySCORM Support

IMS Metadata, IMS Content Packaging, ADL SCORM extensions,

IMS Question & Test InteroperabilityIMS Learning DesignAccessibility WC3 WAI WCAG level AA

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SCORM 1.2

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Portugal (17 - 20 June)9

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USAGE DATA ANALYSISWe want to know how the system usage

grows every yearWe have two approaches to measure it:

Tools UsageNumber of logins to the application

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Percentage groups by tools

1111

... (15 more entities)

Eco

no

mic

s E

ng

inee

rin

g

So

cial

Resources (docs in electronic format)

NewsMailsForums

GradebookActivitiesAssessments

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121212

131313

DATA ANALYSIS RESULTSThe usage of the e-learning system is increasingThe number of users is increasing too.The Bologna Process is changing the way of

evaluating studentsAssessments onlineInteractive Activities: forums, wikis, blogs, etc

We need a High Availability and Scalability System

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Hardware Evolution

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BALANCER HW

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Web Tier Nginx (web + balancer SW)

Web service provides static resourcesBalancer service

Using this Balancing service we can make rules based on the applications or tools:

Application Server Nodes: Nodo 1: users sending MailsNodo 2: users doing Assessments (important task)Nodo 3, 4, 5 y 6: users working with other tools

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CLUSTER WEB: ALL THE TIME THE SERVER IS USED

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Application Tier ClusterNodo 1, Nodo 2 …. to Nodo 6AOLSERVER is the web application serverThe elearning .LRN is a scalable solution

We can add N servers to support N users

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APPLICATION CLUSTER: business logic, elearning platform

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NODO 1: Lectures send about 15.000 mails per day

Future Work (I)Database tier Single Point of Failure

Postgresql 8.4 Fault ToleranceActive/Passive Cluster – Heartbeat

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Future Work (II)

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4 Km

5 Km

11 Km

18 KmPrimary DC

BurjassotRecovery DC

Taronger

HistoricalBuilding

Blasco IbáñezCampus

Different Physic Paths

NETWORK 10G:

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Thank you for your attention!

For contacts:E-mail: aulavirtual@valencia.eduVisit: dotlrn.org

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