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diff --git a/content/intro.tex b/content/intro.tex index ecf4c84..2233cb3 100644 --- a/content/intro.tex +++ b/content/intro.tex @@ -89,11 +89,12 @@ We propose that digital twinning can be enhanced by integrating predictive analy \begin{enumerate}[label=\emph{RQ\textsubscript{\arabic*}}, align=left, itemsep=0pt] % First research question stolen from Capelin by Georgios Andreadis and adapted to my work. \item \emph{How capture and assess the current state-of-the-art of digital twinning for datacenters?}\\ - There is currently a lack of a unified definition of what constitutes a \gls{dcdt}, and the differences between a \gls{dcdt} and a generic \gls{dt}. - It is necessary that we establish a common definition of a \gls{dcdt} in the research community. + There is currently a lack of a unified system model of what constitutes a \gls{dcdt}, and the differences between existing \gls{dcdt} deployments. + It is necessary that we establish a common model of a \gls{dcdt} in the research community. We must develop a holistic \gls{dcdt} model that factors in the necessary components of a \gls{dt}. - This is very challenging, because the \gls{dcdt} definition must address many kinds of operational and technical requirements, compatible with the existing background on \gls{dt}'s. + This is very challenging, because the \gls{dcdt} system model must address many kinds of operational and technical requirements, compatible with the existing background on \gls{dt}s. \item \emph{How to design a \gls{dcdt} system model using discrete-event simulation and predictive data analysis?}\\ + % You should start referring to my_system as a framework, rather than a standalone system. Existing \gls{dcdt} frameworks lack the necessary predictive capabilities to prevent unplanned behaviour in datacenters. In this work, we aim to explore the design space of a predictive \gls{dcdt} and the different design trade-offs. Through discrete-event simulation, we aim provide the foundation for the system model to interact with a physical datacenter. @@ -130,24 +131,28 @@ We define the correct experiment setup(s) and perform the experiments on a speci \section{Thesis Contributions}\label{s:thesis-contributions} -\subsection{Conceptual Contributions}\label{ss:conceptual_contributions} +\begin{enumerate} + \item \textbf{Conceptual}: + \begin{enumerate}[label=\emph{C\textsubscript{\arabic*}}, align=left, labelsep=0pt] + \item We conduct a systematic literature review and detailed analysis of existing works on digital twinning in the scientific research community. + We collect and organize the \gls{dcdt}'s characteristics and based on our findings we propose a unified system model of the design space. + \item We propose the design of \gls{my_system}, a discrete-event \gls{dcdt} for reliable and timely failure prediction in datacenters. + \gls{my_system} includes a set of novel system components which leverage \gls{oda} and discrete-event simulation. -\begin{enumerate}[label=\emph{C\textsubscript{\arabic*}}, align=left, labelsep=0pt] - \item We conduct a systematic literature review and detailed analysis of existing \gls{dcdt}'s in the scientific community. - We collect and organize the \gls{dcdt}'s characteristics and based on our findings we propose a unified system model of the design space. - \item We propose the design of a discrete-event \gls{dcdt} for reliable and timely failure prediction in datacenters. - The conceptual design of the predictive \gls{dcdt} proposes a set of system components which leverage operational data analysis and discrete-event simulation. -\end{enumerate} + \item We evaluate \gls{my_system} using a novel experimentation technique and datacenter workload traces from the industry. + We design a method to evaluate \gls{dcdt}s without expensive and costly real-world experimentation. + We conduct a set of experiments and analyse the results. + \end{enumerate} + \item \textbf{Technical:} -\subsection{Technical Contributions}\label{ss:technical_contributions} + \begin{enumerate}[label=\emph{C\textsubscript{\arabic*}}, align=left, labelsep=0pt] + \item We prototype \gls{my_system} following the established \gls{dt} design principles using discrete-event simulation and \gls{oda}. + We include the code as an Open Science artifact and ensure the prototype remains accessible to the broader scientific community including exhaustive project documentation. + \item We provide the experiment setup, validation and evaluation of \gls{my_system} for predicting datacenter failures in real-time as an Open Science artifact. + \end{enumerate} -\begin{enumerate}[label=\emph{C\textsubscript{\arabic*}}, align=left, labelsep=0pt] - \item We prototype \gls{my_system} following the established \gls{dt} design principles using discrete-event simulation and \gls{oda}. - \item We evaluate the predictive \gls{dcdt} prototype using a novel experimentation technique and datacenter workload traces from the industry. - We design a method to evaluate \gls{dcdt}'s without the overhead of real-world computation, conduct a set of experiments and analyse the results. \end{enumerate} - \section{Plagiarism Declaration}\label{s:plagiarism-declaraion} I hereby declare that this thesis is my own independent work and writing. The thesis does not contain any material copied from other sources (person, Internet, or \gls{ai}), and has not been submitted for assessment elsewhere. |