Abstract
The success of IT system development is largely dependent on the System Requirements Definition (SRD) phase. Researches on Critical Success Factors (CSFs) in the SRD phase are beneficial to the success of IT system development. However, reports that consider the situation in the system requirements definition phase is lacking and these studies try to develop universal truths for CSFs without lessons learnt from empirical evidence need to be characterized. This study is a step towards bridging this gap in characterized evidence to discover “difficult items” in the SRD phase. Moreover, we conducted a case study to justify the importance of CSFs that could be 1) Customer/User Involvement, 2) Clear project goals, and 3) Technical skills of the project team in the SRD phase. The results of the characterization indicated that those major CSFs are consistent. Another issue can also be mitigated by examining Agile method.
Highlights
It is well-known that IT system development success is largely dependent on both the clarity of the ordering side system requirements and on the trustee side skillfulness in making the system requirement definition (Ishii, 2006; Mitani et al, 2008)
IT system development success is largely dependent on both the clarity of the ordering side system requirements and on the trustee side skillfulness in making the system requirement definition (SRD)
In order to address these issues, researches on Critical Success Factors (CSFs) in the SRD phase are essential to the IT system development success
Summary
It is well-known that IT system development success is largely dependent on both the clarity of the ordering side system requirements and on the trustee side skillfulness in making the system requirement definition (Ishii, 2006; Mitani et al, 2008). There are many reports on delay of system development due to extended period of time to complete system requirement definitions (Nikkei, 2013; Nikkei-ITpro, 2012). There is no report which analyses the causes of time loss in system requirement definitions. Time losses are thought to be originated from both the ordering side and trustee side. Unclarity of the system requirements at the ordering side is one of the causes of time delay. Researches on Critical Success Factors (CSFs) in the SRD phase are beneficial to the success of IT system development. The major CSFs of SRD obtained from the interview sessions with engineers who participated in three IT system development through the difficulties (Komai et al, 2016).
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