A Study on the Maintenance Cost Estimation Model for Application Software by Considering Risks

Journal of the Korea society of IT services Pub Date : 2015-09-30 DOI:10.9716/KITS.2015.14.3.067

H. Jeong, Eun Young Koo, Kyeong-Seok Han

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Abstract

Software is more diverse and complex and the level of importance for the maintenance of application software to securely operate software is also gradually increasing in proportion. The calculation method for maintenance cost of application software applied in Korea public enterprises is involved in the range of 10 to 15% of development cost, depending on the Software Project Cost Estimation Guide. Moreover, as most software maintenance cost estimation procedures do not take into consideration of the risk factors related of maintenance, it can be seen as a main cause for the occurrence of maintenance related accidents. This study proposes a maintenance cost estimate model that takes into consideration of the risks related to the software maintenance activities to improve and resolve issues arising from the estimation of maintenance cost. In doing so, maintenance risk factors are analyzed and a risk index is derived through the analysis of risk levels based on the risk factors. Based on such analysis, a maintenance cost estimate method which reflects the maintenance risk index was established.

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考虑风险的应用软件维护成本估算模型研究

软件更加多样化和复杂化，应用软件的维护对软件安全运行的重要性也逐渐占比提高。国内公共企业使用的应用软件的维护费计算方法，根据《软件事业费用估算指南》，是开发费用的10 ~ 15%。此外，由于大多数软件维护成本估算过程没有考虑到与维护相关的风险因素，这可以被视为发生维护相关事故的主要原因。本研究提出了一个维护成本估算模型，该模型考虑了与软件维护活动相关的风险，以改进和解决由维护成本估算引起的问题。在此过程中，对维修风险因素进行分析，并根据风险因素对风险等级进行分析，得出风险指数。在此基础上，建立了反映维修风险指标的维修成本估算方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Journal of the Korea society of IT services

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