The Impact of Service Oriented Architecture Adoption on Organizations

122 Pages·2019·3.783 MB·English

by  Naghmeh Niknejad, Ab Razak Che Hussin, Iraj Sadegh Amiri

SPRINGER BRIEFS IN
ELECTRICAL AND COMPUTER ENGINEERING
Naghmeh Niknejad
Ab Razak Che Hussin
Iraj Sadegh Amiri
The Impact of
Service Oriented
Architecture
Adoption on
Organizations
123
SpringerBriefs in Electrical and Computer
Engineering
Series editors:
Woon-Seng Gan, School of Electrical and Electronic Engineering
Nanyang Technological University, Singapore, Singapore
C.-C. Jay Kuo, University of Southern California, Los Angeles, CA, USA
Thomas Fang Zheng, Research Institute of Information Technology
Tsinghua University, Beijing, China
Mauro Barni, Department of Information Engineering and Mathematics
University of Siena, Siena, Italy
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Naghmeh Niknejad • Ab Razak Che Hussin
Iraj Sadegh Amiri
The Impact of Service
Oriented Architecture
Adoption on Organizations
Naghmeh Niknejad Ab Razak Che Hussin
University Technology Malaysia (UTM) University Technology Malaysia (UTM)
Johor Bahru, Malaysia Johor Bahru, Malaysia
Iraj Sadegh Amiri
Computational Optics Research Group
Advanced Institute of Materials
Science
Ton Duc Thang University
Ho Chi Minh City, Vietnam
Faculty of Applied Sciences
Ton Duc Thang University
Ho Chi Minh City, Vietnam
ISSN 2191-8112 ISSN 2191-8120 (electronic)
SpringerBriefs in Electrical and Computer Engineering
ISBN 978-3-030-12099-3 ISBN 978-3-030-12100-6 (eBook)
https://doi.org/10.1007/978-3-030-12100-6
Library of Congress Control Number: 2019930652
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Preface
Service-oriented architecture (SOA) is one of the technologies in the area of infor-
mation systems’ design and architecture in the recent technology world. SOA adop-
tion is known as an evolutionary process, instead of revolutionary one. In this
process, an application is developed in a long period of time which will be improved
gradually. Since there is a limited number of researches that focus on the effects of
SOA adoption in an organization, this study investigated the significant factors
which affected SOA and have been more discussible in the last 5 years based on
previous studies such as governance, strategy, complexity, return on investment
(ROI), business and IT alignment, culture and communication, costs, and security.
Since most of the researches focus on qualitative analysis for SOA adoption, a need
for empirical research was felt. So, this study conducted a quantitative analysis to
investigate the influential factors for adopting SOA. In addition, an SOA adoption
framework was proposed to measure the effect of factors on SOA adoption and the
performance of organizations. Based on the proposed framework, an online ques-
tionnaire was created and distributed among SOA experts through LinkedIn (the
largest social networking website for people in professional occupations) to collect
data about the influence of SOA adoption on organizations. Subsequently, this study
has made recommendations for improving the organizations planning to adopt SOA
or in the way of adopting SOA to promote the performance of their organizations.
On the other hand, the outcomes of this study may pave the way to form the basic
knowledge in the domain of organizational and technological SOA adoption and
trigger further research in the field.
Johor Bahru, Malaysia Naghmeh Niknejad
Johor Bahru, Malaysia Ab Razak Che Hussin
Ho Chi Minh City, Vietnam Iraj Sadegh Amiri
v
Abbreviations
AVE Average variance extracted
CIO Chief information officer
CISO Chief information security officer
CTO Chief technology officer
IS Information system
IT Information technology
ROI Return on investment
SmartPLS Smart partial least squares
SOA Service-oriented architecture
TOE Technology-organization-environment
UTM University of Technology Malaysia
VP Vice president
vii
Contents
1 Introduction of Service-Oriented Architecture (SOA) Adoption . . . . . 1
1.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.2 Background of Study . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.3 Problem Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.4 R esearch Questions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.5 O bjectives of Study . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.6 S copes of Study . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.7 S ignificance of Study . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.7.1 Theoretical Implication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.7.2 Practical Implication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.7.3 Methodological Implication . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.8 Structure of Study . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.9 Thesis Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2 Literature Review of Service-Oriented Architecture (SOA)
Adoption Researches and the Related Significant Factors . . . . . . . . . . 9
2.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.2 Service-Oriented Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.2.1 Understanding SOA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.2.2 SOA Benefits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.3 SOA Technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.3.1 Extensible Markup Language (XML) . . . . . . . . . . . . . . . . . . 14
2.3.2 Simple Object Access Protocol (SOAP) . . . . . . . . . . . . . . . . 14
2.3.3 Web Services Description Language (WSDL) . . . . . . . . . . . 14
2.3.4 Universal Description, Discovery, and Integration
(UDDI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.4 SOA Adoption Case Studies and Surveys . . . . . . . . . . . . . . . . . . . . . 16
2.5 SOA Adoption Challenges and Problems . . . . . . . . . . . . . . . . . . . . . 18
2.6 F actors Affecting the Adoption of SOA . . . . . . . . . . . . . . . . . . . . . . . 20
ix
x Contents
2.7 SOA Adoption Frameworks and Models . . . . . . . . . . . . . . . . . . . . . . 25
2.7.1 TOE Framework . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
2.7.2 Previous SOA Adoption Models . . . . . . . . . . . . . . . . . . . . . . 32
2.8 Organizational Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
2.9 Chapter Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
3 Quantitative Research Methodology for Service-Oriented
Architecture (SOA) Adoption in Organizations . . . . . . . . . . . . . . . . . . . 43
3.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
3.2 Research Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
3.3 Research Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
3.4 Research Phases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
3.4.1 Phase 1: Planning Phase. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
3.4.2 Phase 2: Review of the Literature . . . . . . . . . . . . . . . . . . . . . 46
3.4.3 Phase 3: Data Collection Method . . . . . . . . . . . . . . . . . . . . . 47
3.4.4 Phase 4: Data Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
3.4.5 Phase 5: Conclusion and Preparing Report . . . . . . . . . . . . . . 50
3.5 C hapter Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
4 D eveloping of Service-Oriented Architecture (SOA) Adoption
Framework and the Related Hypotheses . . . . . . . . . . . . . . . . . . . . . . . . 53
4.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
4.2 Proposed Framework . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
4.3 Hypothesis Development . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
4.3.1 Complexity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
4.3.2 Security Concerns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
4.3.3 Costs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
4.3.4 Governance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
4.3.5 Strategy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
4.3.6 Culture and Communication . . . . . . . . . . . . . . . . . . . . . . . . . 58
4.3.7 Business and IT Alignment . . . . . . . . . . . . . . . . . . . . . . . . . . 58
4.3.8 Return on Investment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
4.3.9 Correlation of SOA Adoption and Organization
Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
4.4 T he Study Instrument . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
4.5 T he Participants of Research . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
4.6 Questionnaire Validity and Reliability and Pilot Study . . . . . . . . . . . 62
4.6.1 Validity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
4.6.2 Reliability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
4.7 Chapter Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Contents xi
5 Analyzing of Service-Oriented Architecture (SOA) Experts
Responses by SmartPLS Version 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
5.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
5.2 Questionnaire Development . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
5.3 Data Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
5.3.1 Demographic Information . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
5.3.2 Hypothesis Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
5.4 Conclusion Analysis and Framework Finalization . . . . . . . . . . . . . . 83
5.5 Chapter Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
6 Conclusion and Service-Oriented Architecture (SOA) Experts
Recommendations for Organizations . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
6.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
6.2 Discussion of Findings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
6.3 Achievements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
6.3.1 A chievement of Objective 1 . . . . . . . . . . . . . . . . . . . . . . . . . . 88
6.3.2 A chievement of Objective 2 . . . . . . . . . . . . . . . . . . . . . . . . . . 88
6.3.3 A chievement of Objective 3 . . . . . . . . . . . . . . . . . . . . . . . . . . 89
6.4 Contribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
6.5 Recommendation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
6.6 Limitation and Future Work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
6.7 Chapter Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Appendix A: Online Questionnaire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Appendix B: Factors Influence on SOA Adoption . . . . . . . . . . . . . . . . . . . . . 105
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113