Reflections on Using an Architecture Model for Matching Existing Applications to a Radical Business Requirements Change: A Case Study

Debbie Tarenskeen, Stijn Hoppenbrouwers, Rogier van de Wetering

Research output: Chapter in Book/Report/Conference proceedingConference Article in proceedingAcademicpeer-review

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Abstract

In this practice paper, we report the outcomes of a case study in a new Dutch hospital, where enterprise architects are working toward a ‘lean’ and ‘simplified’ EA model to align existing IT systems to new requirements. The objective of the case study was to examine if the developed EA model could support architects in selecting components of an existing IT infrastructure for re-use, with regard to radically new requirements. We have developed an EA model in close collaboration with enterprise architects. This study reflects on the use of this model in the hospital. The approach combines analysis of the content in the model, a study of documents in the organization, and communication with the architects. We signal that the existence of an integrated suite for an Electronic Health Record system largely determined how the model was used. Reflection disclosed that a lack of information on requirements and applications, as well as low adaptability of existing systems, negatively affected the flexibility of IT in the organization.

Original languageEnglish
Title of host publicationThe Practice of Enterprise Modeling
Subtitle of host publication11th IFIP WG 8.1. Working Conference, PoEM 2018, Vienna, Austria, October 31 – November 2, 2018, Proceedings
EditorsRobert Andrei Buchmann, Dimitris Karagiannis, Marite Kirikova
Place of PublicationCham
PublisherSpringer
Chapter25
Pages383-393
Number of pages11
ISBN (Electronic)9783030023027
ISBN (Print)9783030023010
DOIs
Publication statusPublished - 2018
EventPoEM: IFIP Working Conference on The Practice of Enterprise Modeling: The Practice of Enterprise Modeling - Vienna, Austria
Duration: 31 Oct 20182 Nov 2018
Conference number: 11

Publication series

SeriesLecture Notes in Business Information Processing
Volume335

Conference

ConferencePoEM: IFIP Working Conference on The Practice of Enterprise Modeling
Abbreviated titleIFIP
Country/TerritoryAustria
CityVienna
Period31/10/182/11/18

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