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\begin{table}
\tiny
\resizebox{\columnwidth}{!}{
\begin{tabular}{lm{0.2\linewidth}m{0.25\linewidth}m{0.3\linewidth}l}
\toprule
Project & Simulation Technique & Focus & Stakeholders & Highlighted Features \\
\midrule
ExaDigiT~\cite{DBLP:conf/sc/BrewerMKWBHSGGW24} & CFD/HT & Energy Loss\newline Prediction & & \\
\midrule
SmartDC~\cite{DBLP:conf/noms/ZhangZLZWC22} & CFD/HT, BIM, AI & Heat Modelling & & \\
\midrule
DyTwin~\cite{DBLP:conf/sc/TaheriBPRHDEWPM24} & Gaussian Process Regression, ML & Anomaly Detection & & \\
\midrule
ChatTwin~\cite{DBLP:conf/sensys/LiW0Z0T23} & \textbf{\footnotesize?} & Configuration\newline Automation & & \\
\midrule
Reducio~\cite{DBLP:conf/sensys/CaoW0022} & POD & Heat and Airflow\newline Prediction & & \\
\midrule
NetGraph~\cite{DBLP:conf/sigcomm/HongWDSSHZY21} & Graphs & Network Management & & \\
\midrule
Kalibre~\cite{DBLP:conf/sensys/WangZD0TCWZ20} & ML, CFD & Heat Modelling & & \\
\bottomrule
\end{tabular}
}
\end{table}
\tiny \textbf{Table 1.1:} Comparison of selected datacenter digital twins. \textbf{Features:} 3D = 3D Visualizations; CH = Cooling/Heat, PE = Power/Energy Consumption, F = Failures, N = Network, FS = FaaS, SE = Scenario Exploration, VP = Virtual Prorotyping, FD = Federation; \textbf{Tools:} AI = Artificial Intelligence, ML = Machine Learning, ODA = Operational Data Analysis; $\dingasterisk$ = Predictive Analysis; $\star$ = Descriptive Analysis, $\blackinwhitediamond$ = Prescriptive Analysis.
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