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\begin{frame}\frametitle{Motivation}
	\begin{tcolorbox}[title=Context]
		Heterogeneous datacenter architectures are common~\cite{DBLP:conf/date/MilojicicFDR21} due to the end of Dennard's scaling~\cite{DBLP:image/48Microprocessor/Rupp}.
		Today, computational needs of AI drive managers to diversify datacenters even more~\cite{DBLP:journals/computer/AthavaleBBMMPS24}.
		In result datacenters become extremely complex and hard to operate.
	\end{tcolorbox}
	\begin{minipage}[t]{0.45\linewidth}
		\tiny
		{\centering
			\includegraphics[width=1.05\linewidth]{images/48-years-processor-trend-2.pdf}
		}
		\textbf{Figure 1.1:} 48 years of microprocessor trend data. Legend: \textcolor{Orange}{$\bigblacktriangleup$ Transistors (thousands)}, \textcolor{Blue}{$\lgblkcircle$ Single Thread Performance (SpecINT $\times 10^3$)}, \textcolor{Green}{$\lgblksquare$ Frequency (MHz)}, \textcolor{Maroon}{$\bigblacktriangledown$ Typical Power (Watts)}, $\mdlgblkdiamond$ Number of Logical Cores~\cite{DBLP:image/48Microprocessor/Rupp}.
	\end{minipage}
	\hspace{0.5cm}
	\begin{minipage}[t]{0.45\linewidth}
		{\centering
			\includegraphics[width=1.1\linewidth]{images/AthavaleBBMMPS24_cropped.pdf}
		}
		\tiny
		\textbf{Figure 1.2:} Explosive growth in AI computational requirements drives datacenter upgrades (source: NVIDIA Analysis: reproduction with NVIDIA permission by~\cite{DBLP:journals/computer/AthavaleBBMMPS24}).
	\end{minipage}
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\begin{frame}\frametitle{Problem Statement}
	\begin{tcolorbox}[title=We need effective tools to manage datacenters]
		To address the increasing datacenter complexity, Datacenter Digital Twins (DCDT) were proposed~\cite{DBLP:journals/computer/AthavaleBBMMPS24}.
		However, many DCDT's are not useful in practice, because they lack critical features (\emph{e.g.,} predictive analytics) native to the generic Digital Twin definition~\cite{DBLP:usdoe/report/AP26894}.
	\end{tcolorbox}
	\input{images/table.tex}
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\begin{frame}\frametitle{Research Questions}
	\begin{tcolorbox}[title=Main Research Question, colbacktitle=red!70!black,colback=red!20!white]
		How to enable predictive analytics for datacenters through digital twinning?
	\end{tcolorbox}

	\begin{tcolorbox}[title=Research Question 1]
		How to asses the current state-of-the-art of digital twinning for datacenters?
	\end{tcolorbox}

	\begin{tcolorbox}[title=Research Question 2]
		How to design a datacenter digital twin reference architecture using discrete-event simulation and predictive data analytics?
	\end{tcolorbox}

	\begin{tcolorbox}[title=Research Question 3]
		How to evaluate and validate a datacenter digital twin architecture in relation to system requirements?
	\end{tcolorbox}
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\begin{frame}\frametitle{Background}
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\begin{frame}\frametitle{System Design}
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\begin{frame}\frametitle{Experimental Results}
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\begin{frame}\frametitle{Discussion}

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\begin{frame}[allowframebreaks]\frametitle{References}
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\begin{frame}\frametitle{Extra Slides: Societal Impact}
	\begin{tcolorbox}[title=Why is this research important today?]
		Over 3 million jobs in the Netherlands directly depend on cloud services, which are hosted in datacenters~\cite{DBLP:journals/corr/IosupKLVG22}.
		Already the rapid
		expansion of datacenters has increased the presence of service failures across all cloud
		services~\cite{DBLP:conf/acsos/TalluriOVTI21}.
		We need to act now.
	\end{tcolorbox}
	\begin{center}
		\includegraphics[height=10em]{images/IosupLVG22-2_cropped.pdf}
	\end{center}
	\tiny
	\textbf{Figure E.1:} Horizontally: the most important research areas in computer science in Netherlands.
	Vertically: qualities we should ensure across all research areas with the most outstanding impact on society.
	Datacenter manageability is a top-priority~\cite{DBLP:journals/corr/IosupKLVG22}.
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\begin{frame}\frametitle{Extra Slides: Why Digital Twinning?}


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