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author Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
date Sat, 30 Mar 2013 22:15:18 +0900
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1 \section{D-ADD}
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2 D-ADDはステークホルダ合意と対象システムに存在するプログラム・コード, 及び対象システムの
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3 運用状態との間の一貫性を常に保つための機構を提供する.(引用\cite{d_add_white})
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4 D-ADDの概略を図\figref{fig-d-add}に示す.
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5 上位層はD-ADDにおける基本ツールである.
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6 ここではDEOSプロセスとのやり取りを支援する.
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7 2つめの層はD-ADDが扱うデータのモデルを指す.
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8 今回提案するモデル含め, 上位層で扱うデータはここで定義される.
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9 下位層はD-ADDで扱うデータベースである.
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10 D-ADDは様々なデータを扱うためいくつかの種類のデータベスースを利用する予定である.
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12 \begin{figure}[tb]
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13 \begin{center}
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14 \includegraphics[scale=0.35]{figure/d_add.pdf}
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15 \caption{D-ADD 概略}
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16 \label{fig-d-add}
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17 \end{center}
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18 \end{figure}
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22 \subsection{説明責任と合意形成}
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23 D-ADDは障害が発生した際, 説明責任を果たさなければならない.
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24 説明責任とはなぜその障害が発生したのか, 次からはその障害を起こさせない, もしくはしっかりと対応できることを示すことである.
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25 そして説明責任を果たすためにはまず, なぜそのようなシステムになったのかと言うことを
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26 説明できなければならないと考えられた.
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27 そのためにはD-ADDに入るデータはプロジェクトに関わる人, ステークホルダの合意を得たデータ
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28 にすべきである.
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29 そこでD-ADD自身に合意形成の場を用意する機能が必要となってくる.
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