臺灣博碩士論文加值系統

雲端服務是結合雲端運算、雲端儲存及網路連線的新時代網際網路服務，相對於傳統的資訊系統架設，雲端服務較具彈性且能快速反應使用者的需求，因此企業逐漸改變其營運模式，將資訊系統建置於雲端，雲端服務不只做為一項技術，更是一種超越硬體與軟體的整合性服務的提供，所以如何選擇最佳的服務方案也成為企業急需了解的一件事。本研究選用服務衡量指標(Service Measurement Index, SMI)作為評估的指標，使用AHP來了解決策者對於評估指標的重視程度，計算出所有指標的權重比例，最後透過選擇法(Elimination and Choice Translating Reality, ELECTRE)建構決策者對於雲端服務在這些指標下的評估，找出最小的最佳選擇集，期望能為企業評選出較優的方案供決策者參考。本研究亦將所提出的方法實際應用於台灣一家欲導入雲端服務之中型製造公司，針對其資訊部門相關決策者的訪談資料選出符合個案公司所需之雲端服務應考量的評估指標，再透過個案公司資訊部門決策者對雲端服務的評估結果來選出最適合該公司的雲端服務。驗證結果發現此模型能協助個案公司群體決策者透過眾多評估指標來建構出雲端服務評估的模型，同時評估的結果是可以被決策者接受的。

Cloud service is the Internet services that combines cloud computing, cloud storage, and network. Compared with traditional information systems, cloud services are more flexible and can respond to users' needs quickly, so enterprises can put their information systems on the cloud gradually. Hence, choosing the best alternative among variable cloud services has become an urgent issue for enterprises. In this study, Service Measurement Index (SMI) is introduced as a performance indicator to evaluate the cloud service alternatives, and then the Analytic Hierarchy Process (AHP) is used to examine to what extent decision makers care about the evaluation indicators by calculating the weight ratio of all indicators. Finally, the Elimination and Choice Translating Reality (ELECTRE) is used for the decision makers to evaluate the cloud services under these indicators and find the smallest set of optimal choices. We also apply the proposed method to a medium-sized manufacturing company in Taiwan aiming to introduce a cloud service to its company. First, we examine the evaluation indicators of the cloud services which are suitable for this company via interview with relevant decision makers of the IT department. Then the executive team of the company select the cloud service that best suits the company according to the results evaluated by IT decision makers. Finally, the verification results show that this model can provide assistance of constructing a cloud service evaluation model to a group of decision makers through several evaluation indicators.

摘要 i
Extended Abstract ii
誌謝 vi
目錄 vii
表目錄 ix
圖目錄 xi
第一章 緒論 1
第一節 研究背景與動機 1
第二節 研究目的 2
第三節 研究範圍與限制 3
第四節 研究流程 4
第五節 論文架構 5
第二章 文獻探討 7
第一節 雲端服務 7
第二節 服務衡量指標(SMI) 8
第三節 多準則決策分析法 10
第四節 層級分析法 11
第五節 選擇法 14
第六節 小結 17
第三章 利用選擇法建立雲端服務選擇評估模型 18
第一節 評估模型建立流程 18
第二節 選擇SMI子標準作為雲端服務的評估 19
第三節 收集決策者對SMI標準的評估資料 23
第四節 使用AHP計算各準則權重 24
第五節 收集所有相關人員對各雲端服務方案的評估並量化分數 26
第六節 使用ELECTRE 1來排序評估優勢方案集 26
第七節 小結 28
第四章 個案公司驗證 29
第一節 個案公司背景介紹 29
第二節 SMI評估資料收集及挑選 30
第三節 SMI成對比較評估資料收集 34
第四節 使用AHP 計算各準則權重 36
第五節 收集雲端服務方案評估資料 38
第六節 使用ELECTRE 排序雲端服務方案集 39
第七節 小結 42
第五章 結論及未來研究方向 43
第一節 研究結論 43
第二節 未來研究方向與建議 44
參考文獻 45
附錄A : SMI問卷 48
附錄B : AHP問卷 51
附錄C : 雲端服務方案問卷 55

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