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Produktbild: Sustainable It Architecture

Sustainable It Architecture The Progressive Way of Overhauling Information Systems with SOA

199,99 €

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Beschreibung

Produktdetails

Einband

Gebundene Ausgabe

Erscheinungsdatum

01.07.2009

Verlag

John Wiley & Sons Inc

Seitenzahl

384

Maße (L/B/H)

24,3/16,4/2,9 cm

Gewicht

653 g

Auflage

1. Auflage

Sprache

Englisch

ISBN

978-1-84821-089-9

Beschreibung

Produktdetails

Einband

Gebundene Ausgabe

Erscheinungsdatum

01.07.2009

Verlag

John Wiley & Sons Inc

Seitenzahl

384

Maße (L/B/H)

24,3/16,4/2,9 cm

Gewicht

653 g

Auflage

1. Auflage

Sprache

Englisch

ISBN

978-1-84821-089-9

Herstelleradresse

Libri GmbH
Europaallee 1
36244 Bad Hersfeld
DE

Email: GPSR Kontakt

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  • Produktbild: Sustainable It Architecture
  • Acknowledgements xiii

    Foreword xv

    Preface xxi

    Guide for the Reader xxvii

    Introduction to the SOA Project at SMABTP xxxi

    Chapter 1. Initial Perspectives 1

    1.1. 50 years of computing - an overview 1

    1.2. What remains today? 5

    Part I. Why a Sustainable Information System? 7

    Chapter 2. Company-oriented Services 9

    2.1. Consequences of the Internet revolution 9

    2.2. What do the leading market players say? 12

    2.3. What do the chief information officers think? 14

    2.4. The issues faced at general management level 14

    2.5. Levels of maturity 16

    Chapter 3. SOA Maturity Levels 21

    3.1. Towards the creation of a more agile information system 21

    3.2. Cosmetic SOA 23

    3.3. Extended SOA 24

    3.4. Overhaul SOA 26

    3.5. The matrices of SOA maturity 28

    3.5.1. The matrix showing the definitions of SOA 28

    3.5.2. The matrix showing the quality criteria of SOA 29

    3.5.3. The matrix showing the strengths and weaknesses of SOA 29

    Chapter 4. Economic and Social Aspects 31

    4.1. Removal of obstacles that may slow down the progressive overhaul of an information system 32

    4.2. The future of IT specialists 33

    4.3. Off-shoring 33

    4.4. The generation mix 34

    4.5. The role of software infrastructure editors 35

    Part II. The Principles of SOA 37

    Chapter 5. The Properties of SOA 39

    5.1. The definition of service for users 41

    5.1.1. The user of the service 42

    5.1.2. A business ambiguity 42

    5.1.3. An example of a business service 43

    5.2. The definition of service for IT specialists 44

    5.2.1. The granularity of service 44

    5.2.2. The separation of concerns 46

    5.2.3. The service categories 47

    5.2.4. Batch services 49

    5.3. The properties of basic SOA 50

    5.3.1. Loose coupling 50

    5.3.2. Communication by messages 51

    5.3.3. Design by contract 52

    5.3.4. The limits of the basic properties 56

    5.4. The properties of agility 56

    5.4.1. The difference between the version and the variant of a service 58

    5.4.2. Agility of the data 60

    5.4.3. Agility of the rules 65

    5.4.4. Agility of the processes 66

    5.4.5. Agility of the human-computer interface 67

    Chapter 6. Orchestration (BPM and SOA) 69

    6.1. Multiple requirements in orchestration 71

    6.1.1. Orchestration and SOA maturity levels 71

    6.1.2. Functional requirements 73

    6.1.3. Technical requirements 75

    6.1.4. Enterprise architecture requirements 77

    6.2. The levels of orchestration 78

    6.2.1. Orchestration at the process level 79

    6.2.2. Orchestration at screen level 80

    6.2.3. Orchestration at the micro-process level (use cases) 81

    6.2.4. Orchestration at the business service level 82

    6.2.5. Orchestration between domains through the use of ESB 83

    6.2.6. The orchestration of batches 83

    6.3. The techniques of orchestration 85

    6.3.1. The BPM engine 85

    6.3.2. The business rules engine 86

    6.3.3. Specific programming 86

    6.4. Towards the homogenization of orchestration 87

    6.4.1. Unified modeling 87

    6.4.2. Unified standard 89

    6.5. The benefits of orchestration 91

    6.5.1. Advantages 91

    6.5.2. Disadvantages 91

    Part III. The Need for an Enterprise Method 93

    Chapter 7. The Discovery of Services (Reference Framework and Urbanization) 95

    7.1. New needs for the information system 96

    7.1.1. Expansiveness and progressiveness 97

    7.1.2. Mobilizing the many different competences 98

    7.2. Why are different methods seldom used within companies? 98

    7.3. Reference frameworks 101

    7.3.1. Zachman's framework 101

    7.3.2. TOGAF 102

    7.3.3. Peter Herzum's framework 103

    7.3.4. Important information to be taken from the reference frameworks 104

    7.4. Essential tools 105

    7.4.1. UML (Unified Modeling Language) 105

    7.4.2. MDA (Model Driven Architecture) 106

    7.4.3. Urbanization of the information system 107

    Chapter 8. The Praxeme Enterprise Method 111

    8.1. Praxeme: the initiative behind a public method 112

    8.2. The P