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( l   OutlinefAbout eLearning A Generalised Web-based Learning Architecture Delivery Module Implementation Options Learning Resource (Content) Options Application Logic Implementation Options The influence of standardisation$Un A generalised architecture*$f f  -Application Architecture of an LMS: The LTSA.. f .  &Delivery Module Implementation Options'' f&Type of Client Proprietary Client (implemented as a special plug-in) Standardised Client Java Applets HTML with JavaScript Dynamic UI Generation Servlets JSP XML/XSL Publishing frameworks (Cocoon/XSP) ZJZ"ZZ8ZZJ"  8    6Dq #Learning Resource (Content) options$$ f#Homogeneous vs. Heterogenous content formats Plug-in technology now supports a wide variety of content formats Content storage options Heterogenous Homogenous (XML) Content management options Home grown Full-fledged CMS (Content Management System) Content storage options FileSystem  RDBMS  Native XML database .B8/, A 8  /    Z,A5RG  (Application Logic Implementation Options)) f(~Server-side options CGI Servlets Java Beans CORBA Objects Middleware options Home grown (using open APIs) Application Servers r&2&H9 3The Influence of Standards on Architectural Options44 f3SCORM - Sharable Content Object Reference Model Built upon the work of IMS, AICC, IEEE to create one unified content model 3 main components A course structure format with XML binding A meta-data format for courses and content with XML binding An API for the run-time environment LOM - Learning Object Metadata Built upon the work of IMS, IEEE 9 categories (lifecycle, technical, educational, etc.) XML/RDF binding 0]j0]  j,N  ` ̙33` ` ff3333f` 333MMM` f` f` 3>?" dd@,|?" dd@   " @ ` n?" dd@   @@``PR    @ ` ` p>> NF(    68f P  T Click to edit Master title style! !  0h   RClick to edit Master text styles Second level Third level Fourth level Fifth level!     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