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% -------------------- frame 1 -------------------
\begin{frame}{Serverless}
\begin{itemize}
\item<1-> Serverless computing abstracts the underlying infrastructure, focusing solely on the logic that needs to be performed to solve a given task.
\item<2-> A developer just write a function using their favourite programming language and put it online.
\item<3-> A new concept of Function-as-a-Service.
\item<4-> Edge computing is recommended by setting up compute infrastructure closer to the data source.
\item<5-> It is a new frontier for IoT computing [2].
\end{itemize}
\end{frame}
% ----------------- frame 2 ----------------
\begin{frame}{Serverless architecture}
\begin{figure}
\centering
\includegraphics[width=1\linewidth]{static/Untitled-2023-09-27-1503(4).png}
\end{figure}
\end{frame}
% ------------------ frame 3 ---------------------
\begin{frame}{Serverless platforms}
There is a new market for serverless platforms, both open and closed source.
\begin{itemize}
\item AWS Lambda
\item OpenWhisk
\item Kubeless
\item Knative
\item OpenFaaS
\end{itemize}
\end{frame}
% ------------------ frame 3 ---------------------
\begin{frame}{Serverless platforms}
There is a new market for serverless platforms, both open and closed source.
\begin{itemize}
\item AWS Lambda
\item OpenWhisk
\item Kubeless
\item Knative
\item OpenFaaS \alert{\textit{we chose this one!}}
\end{itemize}
\end{frame}
% ---------------- frame 4 ----------------------
\begin{frame}{OpenFaaS}
Its architecture is composed by:
\begin{itemize}
\item API Gateway
\item Prometheus [3]
\item Watchdog
\item Docker Swarm or Kubernetes
\item Docker
\end{itemize}
It supports two different function scaling modes:
\begin{itemize}
\item Native scaling based on internal customized metrics
\item Kubernetes Horizontal Pod Autoscaler (HPA)
\end{itemize}
\end{frame}
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