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White Rabbit
Commit c9871be8 authored by Maciej Lipinski's avatar Maciej Lipinski
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GEANT presentation - final version presented

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presentations/WR_Maciej_GEANT_2022/wr_intro_2022_geant.tex
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......@@ -117,11 +117,11 @@
\item<6->Extends standards to provide
\begin{itemize}\scriptsize
\item \color{red}{Deterministic data transfer}
\item \color{blue!90}{Sub-ns synchronisation} \pause\pause\pause\pause\pause\pause - incorporated into IEEE 1588-2019 as High Accurcy(*)
\item \color{blue!90}{Sub-ns synchronisation} - incorporated into IEEE 1588-2019 as High Accurcy(*)
\end{itemize}
% \item<7-> Incorporated into IEEE 1588-2019(*)
\item<8-> Initial specs: links $\leq$10~km \& $\leq$2000 nodes
\item<9-> \textbf{Open Source and commercially available}
\item<7-> Initial specs: links $\leq$10~km \& $\leq$2000 nodes
\item<8-> \textbf{Open Source and commercially available}
\end{itemize}
\textcolor{white}{dddd dsaf asd fasd fdsa fads f dsa fdsa f dsaf dsa fdsa f dsaf dsaf fds}
......@@ -135,7 +135,7 @@
\end{center}
\end{columns}\vspace{1cm}
\pause\pause\pause\pause\pause
\tiny
% *~\url{home.cern/news/news/knowledge-sharing/white-rabbit-cern-born-technology-sets-new-global-standard}
(*)\href{home.cern/news/news/knowledge-sharing/white-rabbit-cern-born-technology-sets-new-global-standard}{home.cern/news/news/knowledge-sharing/white-rabbit-cern-born-technology-sets-new-global-standard}
......@@ -384,12 +384,12 @@
\end{center}
\end{frame}
\begin{frame}{Simplified block diagram of the hardware}
\vspace{-0.3cm}
\begin{center}
\includegraphics[width=.85\textwidth]{switch/switch3_4_simple_diagram_h.pdf}
\end{center}
\end{frame}
% \begin{frame}{Simplified block diagram of the hardware}
% \vspace{-0.3cm}
% \begin{center}
% \includegraphics[width=.85\textwidth]{switch/switch3_4_simple_diagram_h.pdf}
% \end{center}
% \end{frame}
\begin{frame}{Low-jitter variant of v3 switch}
\vspace{-0.3cm}
......@@ -451,6 +451,18 @@
\end{center}
\end{frame}
\begin{frame}{Typical WR network}
\begin{center}
\includegraphics[width=.6\textwidth]{network/wr_network-enhanced_pro_without_10km.pdf}
\end{center}
\end{frame}
\begin{frame}{WR Node: WR PTP Core}
\begin{center}
\includegraphics[width=\textheight]{node/wrNode.jpg}
\end{center}
\end{frame}
\begin{frame}{WR Node: carriers + mezzanines}
\vspace{-0.5cm}
\begin{center}
......@@ -472,11 +484,7 @@
\end{columns}
\end{frame}
\begin{frame}{WR PTP Core}
\begin{center}
\includegraphics[width=\textheight]{node/wrNode.jpg}
\end{center}
\end{frame}
\begin{frame}{Open \textbf{and} commercially available off-the-shelf}
......@@ -506,7 +514,7 @@
\item<2-> Determines the value of
\begin{itemize}\scriptsize
\item Ingress/Egress latency (\underline{fixed delays})
\item Relative delay for fiber type used (\underline{$\alpha$})
\item Relative delay coefficient for fiber type used (\underline{$\alpha$})
\end{itemize}
\item<3-> Must be performed for
\begin{itemize}\scriptsize
......@@ -543,7 +551,7 @@
\begin{frame}{WR Calibration - how}
\begin{columns}[c]
\column{0.7\textwidth}
\column{0.75\textwidth}
\begin{itemize}\footnotesize
\item<1-> In-lab procedure, requires
\begin{itemize}\scriptsize
......@@ -562,13 +570,13 @@
\item Golden calibrator at CERN
\item Procedure to obtain local calibrator
\end{itemize}
\item<4-> Relative delay for fiber type used ($\alpha$)
\item<4-> Relative delay coefficient for fiber type used ($\alpha$)
\begin{itemize}\scriptsize
\item Absolute calibration, i.e. no calibrator
\item Type of deployed fiber needs to be known
\item Assumes no active elements (amplifiers)
\end{itemize}
\item<5-> In-situ calibration of relative delay
\item<5-> In-situ calibration of relative delay coefficient
\begin{itemize}\scriptsize
\item Experimental: \textcolor{blue}{\href{https://ohwr.org/project/wr-calibration/wikis/insitu-determination-of-alpha}{Insitu determination of alpha}}
\item Active standardization: \textcolor{blue}{\href{https://sagroups.ieee.org/1588/active-projects/}{1588f project}}
......@@ -577,7 +585,7 @@
\column{0.45\textwidth}
\column{0.4\textwidth}
\begin{center}
\includegraphics[width=\textwidth]{calibration/wr_device.pdf}
\end{center}
......@@ -623,6 +631,7 @@
\begin{center}
\includegraphics<5>[width=1\textwidth]{management/dot-config-inverted.png}
\includegraphics<6>[width=1\textwidth]{management/wrs_menuconfig.png}
\includegraphics<7>[width=1\textwidth]{management/web_interface.png}
\end{center}
\end{columns}
......@@ -633,19 +642,19 @@
\begin{columns}[c]
\column{0.7\textwidth}
\begin{itemize}\footnotesize
\item<1-> Device:
\item Device:
\begin{itemize}\scriptsize
\item Management port IP
\item Enable/configure services\\(SNMP, Syslog, LLDP...)
\end{itemize}
\item<2-> Data plane:
\item Data plane:
\begin{itemize}\scriptsize
\item Virtual LANs (VLANs)
\item Forwarding options\\
\item No support for advanced protocols: \\(R)STP, (M)SRP
% (multi) stream reservation protocol
\end{itemize}
\item<3-> Time plane
\item Time plane:
\begin{itemize}\scriptsize
\item PTP-generic
\item WR-specific
......@@ -718,14 +727,14 @@
\item WR Node
\begin{itemize}\tiny
\item Calibrated for reference designs for typical SFPs
\item SFP database needs to be configured via \textit{shall} or \textit{snmp}
\item SFP database needs to be configured via \textit{shell} or \textit{snmp}
\end{itemize}
\end{itemize}
\item<2-> Fiber's relative delay coefficient ($\alpha$)
\begin{itemize}\scriptsize
\item Calibration value available for fiber type used at CERN
\item WR Switch - database in \textit{dot-config} file
\item WR Node - database configured via \textit{shall} or \textit{snmp}
\item WR Node - database configured via \textit{shell} or \textit{snmp}
\end{itemize}
\item<3-> Values for more SFPs and fiber types can be determined using WR calibration and added easily to configuration
\end{itemize}
......@@ -1135,12 +1144,24 @@ Distribution of magnetic field in CERN accelerators
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\section{WR Performance in Long Chain}
\section{WR Switch Internals}
\subsection{}
\begin{frame}{WR performance in a long chain}
\includegraphics[width=\textwidth]{measurements/cascadeMeasurement.pdf}
\begin{frame}{Simplified block diagram of the WR Switch hardware}
\vspace{-0.3cm}
\begin{center}
\includegraphics[width=.85\textwidth]{switch/switch3_4_simple_diagram_h.pdf}
\end{center}
\end{frame}
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% \section{WR Perf. in Long Chain}
% \subsection{}
% \begin{frame}{WR performance in a long chain}
% \includegraphics[width=\textwidth]{measurements/cascadeMeasurement.pdf}
% \end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\section{WR Performance Improvements}
......
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