| dc.contributor.advisor | 張欣綠 | zh_TW |
| dc.contributor.advisor | Chang, Hsin Lu | en_US |
| dc.contributor.author (Authors) | 馮秉義 | zh_TW |
| dc.contributor.author (Authors) | Feng, Ping Yi | en_US |
| dc.creator (作者) | 馮秉義 | zh_TW |
| dc.creator (作者) | Feng, Ping Yi | en_US |
| dc.date (日期) | 2008 | en_US |
| dc.date.accessioned | 18-Sep-2009 20:15:03 (UTC+8) | - |
| dc.date.available | 18-Sep-2009 20:15:03 (UTC+8) | - |
| dc.date.issued (上傳時間) | 18-Sep-2009 20:15:03 (UTC+8) | - |
| dc.identifier (Other Identifiers) | G0096356039 | en_US |
| dc.identifier.uri (URI) | https://ah.lib.nccu.edu.tw/item?item_id=38276 | - |
| dc.description (描述) | 碩士 | zh_TW |
| dc.description (描述) | 國立政治大學 | zh_TW |
| dc.description (描述) | 資訊管理研究所 | zh_TW |
| dc.description (描述) | 96356039 | zh_TW |
| dc.description (描述) | 97 | zh_TW |
| dc.description.abstract (摘要) | More and more enterprises plan to switch their legacy system to service-oriented architecture (SOA). SOA, the focus of recent software-engineering, modulizes the IT components as “services” which could be re-jointed with each other flexibly and reused to avoid building parts repeatedly. This methodology also yields network externalities (Katz and Shapiro 1986; Markus 1987) as a number of services are integrated. An enterprise could increase the number of services to earn network externalities but such benefits come with risks.<br>This study aims to evaluate the investment of SOA and justifies the switch of current systems to SOA. Since SOA investment is usually a long-term and risky project for most enterprises, uncertainty becomes an important evaluation factor of an SOA project. This research applies the real option approach to evaluate an SOA switching project which majorly justifies the uncertainties, and use Monte-Carlo simulation to do the option pricing work. We consider three components of uncertainty in the model– risk, exercise time and number of connecting services for reusing- and evaluate how the uncertainty relates to the value of an SOA project. Finally, this research deduces the investment strategies under uncertainties, and describes what advantages for real option SOA has which are SOA could reduce the investment friction. | en_US |
| dc.description.tableofcontents | CHAPTER ONE: Introduction 5\n1.1 Research Background 5\n1.2 Research Motivation 6\nCHAPTER TWO: Literature Review 7\n2.1 Service-Oriented Architecture 7\n2.1.1 Concept of Service Oriented Architecture 7\n2.1.2 Loosely-Coupled Services: Services are Independent 8\n2.1.3 The Return and Value of SOA Projects 9\n2.1.4 Investment Expenditure of SOA project 12\n2.2.5 The Network Effects of SOA 13\n2.2 Switching Investment of Information System 15\n2.3 Capital Budgeting Methodology 17\n2.3.1 Traditional Valuation Methodology-NPV 17\n2.3.2 Real Option Approach 18\n2.3.3 Switching Option 20\n2.3.4 Option Pricing Model 22\n2.4 The Uncertainty of SOA Development 24\n2.4.1 the Risk Level in SOA 24\n2.4.2 the Risk Level in Non-SOA 24\n2.4.3 Connecting Number 25\n2.4.4 Market Price of Risk 26\n2.4.5 Friction – Value Delayed by Implementation 27\nCHAPTER THREE: Research Framework 29\n3.1 Modeling SOA Switch Options 29\n3.2 Modeling Uncertainty 31\n3.3 Modeling Measure Errors of Friction 33\n3.4 Risk Function of Service-Integration 34\nCHAPTER FOUR: Pricing Model 37\n4.1 Pricing Strategy 37\n4.2 Simulation Algorithm 37\n4.3 Parameter Relations of Benefits 38\n4.4 Statistic of Delay Errors 39\nCHAPTER FIVE: Sensitivity Analysis 40\n5.1 Case for Using Switch Option to Justify SOA Investment 40\n5.2 Sensitivity Analysis for Scenario Case 44\n5.2.1 Option Value under risk 44\n5.2.2 Option Value under Various Exercise Time 46\n5.3 Analysis for Measure Errors Caused by Implementation Delay 48\n5.3.1 Measure Error under Delay Time 48\n5.3.2 Measure Errors under Coupled Coefficient 49\nCHAPTER SIX: Discussion 51\n6.1 SOA Investment Strategy under Switching Option 51\n6.2 Suitability for Applying Real Option Approach 52\nCHAPTER SEVEN: Conclusion 54\n7.1 Summary 54\n7.2 Contributions 54\n7.3 Limitations and Future Research 55\nReference 56 | zh_TW |
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| dc.language.iso | en_US | - |
| dc.source.uri (資料來源) | http://thesis.lib.nccu.edu.tw/record/#G0096356039 | en_US |
| dc.subject (關鍵詞) | 服務導向架構 | zh_TW |
| dc.subject (關鍵詞) | 實質選擇權 | zh_TW |
| dc.subject (關鍵詞) | 網路外部性 | zh_TW |
| dc.subject (關鍵詞) | 轉換選擇權 | zh_TW |
| dc.subject (關鍵詞) | Service-oriented architecture | en_US |
| dc.subject (關鍵詞) | Real option | en_US |
| dc.subject (關鍵詞) | Network externality | en_US |
| dc.subject (關鍵詞) | Switching option | en_US |
| dc.title (題名) | 服務導向架構投資專案的轉換策略:應用實質選擇權 | zh_TW |
| dc.title (題名) | Switching strategy of service-oriented architecture investment project:applying real option approach | en_US |
| dc.type (資料類型) | thesis | en |
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