Sökning: "Enterprise Architecture analysis"

Visar resultat 1 - 5 av 20 avhandlingar innehållade orden Enterprise Architecture analysis.

  1. 1. Enterprise Systems Modifiability Analysis : An Enterprise Architecture Modeling Approach for Decision Making

    Författare :Robert Lagerström; Pontus Johnson; Marc Lankhorst; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Enterprise Architecture; Software System Modifiability; Decision Making; Metamodeling; Enterprise Architecture Analysis; Software Change Cost Estimation; Other information technology; Övrig informationsteknik;

    Sammanfattning : Contemporary enterprises depend to great extent on software systems. During the past decades the number of systems has been constantly increasing and these systems have become more integrated with one another. This has lead to a growing complexity in managing software systems and their environment. LÄS MER

  3. 2. Analysis of enterprise IT service availability : Enterprise architecture modeling for assessment, prediction, and decision-making

    Författare :Ulrik Franke; Pontus Johnson; Lars Nordström; Göran Ericsson; João Paulo A. Almeida; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Service Level Agreement; outage costs; Enterprise Architecture; enterprise IT service availability; decision-making; metamodeling; Enterprise Architecture analysis; Bayesian networks; fault trees; Predictive Probabilistic Architecture Modeling Framework; Service Level Agreement; nertidskostnader; Enterprise Architecture; tillgänglighet hos IT-tjänster; beslutsfattande; metamodellering; arkitekturanalys; bayesianska nätverk; felträd; Predictive Probabilistic Architecture Modeling Framework;

    Sammanfattning : Information technology has become increasingly important to individuals and organizations alike. Not only does IT allow us to do what we always did faster and more effectively, but it also allows us to do new things, organize ourselves differently, and work in ways previously unimaginable. LÄS MER

  4. 3. Tool Support for Enterprise Architecture Analysis : with application in cyber security

    Författare :Markus Buschle; Pontus Johnson; Stephan Aier; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Enterprise Architecture; Decision-making; Model-based analysis; Property analysis; Cyber security; Software tool; Design Science; Electrical Engineering; Elektro- och systemteknik;

    Sammanfattning : In today’s companies, business processes and information technology areinterwoven. Old and new systems as well as off-the-shelf products and tailoredsolutions are used. This results in heterogeneous, often complex ITlandscapes. The impact of changes and the affected systems are difficult toidentify. LÄS MER

  5. 4. Enterprise architecture for IT management : a CIO decision making perspective on the electrical power industry

    Författare :Mathias Ekstedt; Torsten Cegrell; Dinesh Verma; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Electronics; Enterprise architecture; Enterprise system; Chief information officer; Information technology management; Architectural theory; Electric power industry; Elektronik; Electronics; Elektronik;

    Sammanfattning : Within the electric power industry, the average company's enterprise system - i.e. the overall system of IT related entities - is today highly complex. LÄS MER

  7. 5. Enterprise Architecture for Information System Analysis : Modeling and assessing data accuracy, availability, performance and application usage

    Författare :Närman Per; Mathias Ekstedt; Pontus Johnson; Sjaak Brinkkemper; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Enterprise Architecture; Metamodeling; Decision-making; Data Accuracy; Service Availability; Service Performance; Technology Acceptance Model; Task Technology Fit;

    Sammanfattning : Decisions concerning IT systems are often made without adequate decision-support. This has led to unnecessary IT costs and failures to realize business benefits. The present thesis presents a framework for analysis of four information systems properties relevant to IT decision-making. LÄS MER