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OpenLW reference architecture project author: Eric Kluijfhout, eric.kluijfhout@gmail.com   This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike License.  To view a copy of this license, visit http://creativecommons.org/licenses or send a letter to Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA.  
OpenLW reference architecture project 2004-2006 Eric Kluijfhout
Outline ,[object Object],[object Object],[object Object],[object Object],[object Object]
Problem 2004  requirements? relevance? new needs? VLE of the future? Trends en new mandate HE Technology  trends Institutional VLE experiences
Project definition: March-June 2005 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Outcomes project definition: mid 2005  Desk study Architecture analysis Stakeholder consultation VLE of the future? Trends en new mandate HE Technology  trends Institutional VLE experiences
Stakeholder-consultation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Architecture analysis ,[object Object],[object Object],[object Object],[object Object]
Desk study HE trends ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Project credo ,[object Object],[object Object],[object Object],[object Object]
Open Learning and Working Environment ,[object Object],[object Object]
Starting from: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Project activities  ,[object Object],[object Object],[object Object],[object Object],[object Object]
Activity 1: functional reference architecture Trendanalysis Class-extensions Sub-processen Main processen Domain model functional service-architecture (soa) Service definitions
HE value chain in 2015 Matching student demand and institutional supply Manage OpenLW ,[object Object],[object Object],[object Object],[object Object],Develop educ. offerings Instantiate educ. offerings Exploit educ. offerings Maintain educ. offerings Learning act. Learning envir. Learning act. Learning envir. Learning act. Learning envir. Learning act. Learning envir.
Domain model
OpenLW soa definition (v 0.1) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Manual service-implementation
Computer-supported service-implementation
Web-based service-implementation
Some missing computer-supported services ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Activity 2: Validation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Activity 3: Gap analysis OpenLW ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Activity 4: in-depth soa definition ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Service definition ‘Response processing’ ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Required efforts ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Activity 5: Dissemination ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Overall conclusions ,[object Object],[object Object],[object Object]
Conclusions continued ,[object Object],[object Object],[object Object],[object Object]
State of the art in Dutch HE ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Audiences and messages ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
SURF-Werkplan 2007/2010 ‘Krachtig Doen’ ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Activities 2007 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
………  continued ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Open lw reference architecture project

Editor's Notes

  1. Ervan uitgaande dat de toekomst in ieder geval gedeeltelijk maakbaar is, waar dienen we dan rekening mee te houden? Welke keuzes en welke acties zijn relevant? Instellingservaringen met de ELO tot nu toe: hoe wordt het gebruikt; wat kost het; wat voegt het toe; zijn de oorspronkelijke verwachtingen uitgekomen? Wat kunnen we hiervan leren voor de toekomst? 2. Welke nieuwe mogelijkheden zijn ondertussen beschikbaar gekomen: de technologische ontwikkelingen. En hoe moeten we die op hun waarde schatten? 3. En: is het over 5 jaar nog ‘business as usual’ of opereren we dan in een andere context? En wat betekent dat voor de benodigde ELO? Een aantal instellingen is concreet bezig zich op een nieuwe ELO te orienteren, terwijl andere niet uitlsuiten op termijn over te stappen. ELO innovaties zullen voorlopig doorgaan: wachten op de ‘definitieve ELO’ heeft geen zin.
  2. Differences between AND within institutions re. Use and ambitions Differences in explicit linking to a pedagogical approach (maturity level) Gap between central VLE policy and decentral implementation Need for instruments to discuss, plan and monitor VLE use and innovation Real need to share knowledge and experiences within NL VLE architecture is part of the institutional application architecture: overall need for integration!
  3. Internationally: SAKAI, ELF, IMS-AF Also commercial suppliers (Bb) Within NL various reports this year: Informatie-architectuur in het hoger onderwijs (20-80 regel) De Tocht: integratie ELO en SIS Digitale Leer en Werkomgeving Next Generation Open source toepassen in modulaire ELO’s …………………… The ‘ small soa’ approach
  4. Het begrip ‘Architectuur’ is hierin centraal.
  5. Onder invloed van open programmering, vraagsturing en veranderende student
  6. Front office en back office model
  7. Vinden van relevante webservices d.m.v. UDDI ((Universal Description, Discovery, and Intergration): (Universal Description, Discovery, and Intergration)
  8. Problemen oplossen voor gebruikers: Verschillende systemen met verschillende look en feel; zelf gegevens uit verschillende systemen vissen Veel duplicatie van functies in applicaties (bijv. mail) en op het web vaak betere tools dan aangeboden door de instelling Problemen oplossen voor instellingen: Beheer van interfaces tussen ‘vertikale’ systemen is duur, kost veel tijd, en maakt vervanging van systemen uiterst complex: ICT applicatie-architectuur hindert innovatie! Je wil een helder beslissingsmodel hebben bij keuze/vervanging van applicaties, gebaseerd op je informatiebehoeften Consortia en sector als geheel: Uitwisselen van gegevens Outsourcen van basisfunctionaliteit – ‘stekkers’ nodig naar eigen architectuur Over de grenzen van domeinen: Processen tussen domeinen raken steeds meer verweven Roldifferentiatie
  9. Vertaling in activiteiten voor 2007 op basis van: rondje langs lopende SURF projecten Behoeftenonderzoek voor SURFnet Projectleiderschap ELO Groei- en Verandermanagement (referentie-architectuur) – DU, E-merge, Apollo, SURF. 2 x organisatie conferentie De ELO Voorbij Diensten-ontwikkeling op basis van behoeften-inventarisatie en SIG.
  10. Proof of concept pilots: Roeland vertelt daar meer over Methodieken & tools: Business Process Modelling Architectuurplanning Architectuurmodellering Service definitie