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Commit 84b021b5 authored by Maciej Lipinski's avatar Maciej Lipinski
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Some updates to the GEANT presentation 

- added MDEV plot to switch types
- updated slide on management
- added slide on configuration
- added slide on calibration (basics)
- updated figures on monitoring and configuration
- updated some CERN-specific titles
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presentations/WR_Maciej_GEANT_2022/wr_intro_2022_geant.tex
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...@@ -404,6 +404,15 @@ ...@@ -404,6 +404,15 @@
\end{tabular} \end{tabular}
\end{table} \end{table}
\begin{center}
\includegraphics[width=.5\textwidth]{measurements/WRSlowJitter/GM+BC_MDEV.jpg}
\tiny
Measurement device: Microsemi/Microchip 3120A Phase Noise Test Probe\\
\end{center}
\end{frame} \end{frame}
...@@ -461,48 +470,132 @@ ...@@ -461,48 +470,132 @@
\includegraphics[width=1.0\textwidth]{misc/WR-zoo.jpg}\vspace{-1cm} \includegraphics[width=1.0\textwidth]{misc/WR-zoo.jpg}\vspace{-1cm}
\begin{center} \begin{center}
\small \small
\textbf{Companies selling White Rabbit:} \url{www.ohwr.org/projects/white-rabbit/wiki/wrcompanies} \textbf{Companies selling White Rabbit and their products:} \url{www.ohwr.org/projects/white-rabbit/wiki/wrcompanies}\\
\vspace{0.3cm}
\tiny
NOTE: Not all WR equipment is open source
\end{center} \end{center}
\vspace{-0.3cm}
\end{frame} \end{frame}
\section{Management} \section{Management}
\subsection{} \subsection{}
\begin{frame}{Management of WR networks: monitoring \& config} \begin{frame}{Management of WR networks}
\begin{itemize} \begin{itemize}
\item<1-> White Rabbit is an extension of Ethernet \item<1-> White Rabbit is an extension of Ethernet
\item<2-> It can be managed using standard protocols and tools: \item<2-> It implements standard protocols and tools:
\begin{itemize} \begin{itemize}\scriptsize
\item Simple Network Management Protocol (SNMP) \item Simple Network Management Protocol (SNMP)
\item Syslog \item Syslog
\item Link Layer Discovery Protocol (LLDP) \item Link Layer Discovery Protocol (LLDP)
\item Kerberos-based authentication \item Kerberos-based authentication
\end{itemize} \end{itemize}
\item<3-> It can be debugged using standard tools: \item<3-> It can be debugged using standard tools:
\begin{itemize} \begin{itemize}\scriptsize
\item Wireshark \item Wireshark
\item Tcpdump \item Tcpdump
\item Professional Ethernet testers \item Professional Ethernet testers
\end{itemize} \end{itemize}
\item<4-> WR Switch configuration:
\begin{itemize}\scriptsize
\item Recommended for large networks: download dot-config file from server
\item Recommended for small networks: CLI (menuconfig)
\item Possible but discourage: web interface
\end{itemize}
\end{itemize} \end{itemize}
\end{frame} \end{frame}
\begin{frame}{WR Network vs. TN/GPN Network} \begin{frame}{WR networks configuration}
\includegraphics<1>[width=.99\textwidth]{management/MonitoringConfig-0-networks.png} \begin{itemize}
\item<1-> Data plane - basic, e.g.
\begin{itemize}\scriptsize
\item Virtual LANs (VLANs) configuration
\item LLDP options
\item Deterministic forwarding
\end{itemize}
\item<2-> Time plane - generic PTP options, e.g.:
\begin{itemize}\scriptsize
\item Device role: Grandmaster or Boundary Clock
\item Port roles: automatic using BMCA, forced master/slave
\item Mapping: \textbf{IEEE802.3} or UDP/IP
\item Delay Mechanism: \textbf{E2E} or P2P
\item Profile: \textbf{WR} or Default PTP
\item LeapSeconds and NTP server
\end{itemize}
\item<3-> Time plane - WR-specific:
\begin{itemize}\scriptsize
\item Ingress/Egress latency (Fixed delays)\\
{\tiny NOTE: WR Switch comes pre-calibrated for few types of SFPs}
\item Relative delay for fiber types used ($\alpha$)\\
{\tiny NOTE: WR Switch comes pre-calibrated for the fiber type used at CERN}
\item Fiber type used on a port
\end{itemize}
\end{itemize}
\end{frame} \end{frame}
\begin{frame}{BE-CO services: Monitoring with COSMOS/Grafana} \begin{frame}{WR Calibration}
\includegraphics<1>[width=.99\textwidth]{management/MonitoringConfig-1-SNMP.png} \begin{columns}[c]
\column{0.7\textwidth}
\begin{itemize}\footnotesize
\item<1-> Ensures sub-ns accuracy between
\begin{itemize}\scriptsize
\item The PPS output of the WR Grandmaster
\item The PPS outputs of the WR Devices connected\\ (directly/indirectly) to the WR Grandmaster
\end{itemize}
\item<2-> Required for
\begin{itemize}\scriptsize
\item Each firmware release, port, SFP type used
\item Each fiber type deployed
\end{itemize}
\item<3-> Provided for
\begin{itemize}\scriptsize
\item WR Switch releases and commonly used SFPs\\
\item WR Node releases (reference designs)
\item See\\
\url{ohwr.org/projects/white-rabbit/wiki/SFP}
\url{ohwr.org/project/white-rabbit/wikis/Calibration}
\end{itemize}
\item<4-> Described in WR Calibration procedure v1.1 - see\\
\end{itemize}
\column{0.45\textwidth}
\begin{center}
\includegraphics[width=\textwidth]{network/wr_network-enhanced_pro_without_10km.pdf}
\end{center}
\end{columns}
\tiny
\pause\pause\pause
\url{ohwr.org/project/white-rabbit/wikis/Documents/White-Rabbit-calibration-procedure}
\end{frame}
\begin{frame}{WR Network vs. Management Network}
\includegraphics<1>[width=.99\textwidth]{management/MonitoringConfig-0-networks-v2.png}
\end{frame}
\begin{frame}{Monitoring of WR devices at CERN}
\includegraphics<1>[width=.99\textwidth]{management/MonitoringConfig-1-SNMP-v2.png}
\includegraphics<2>[width=.99\textwidth]{management/MonitoringConfig-2-COSMOS.png} \includegraphics<2>[width=.99\textwidth]{management/MonitoringConfig-2-COSMOS.png}
\end{frame} \end{frame}
\begin{frame}{BE-CO services: Configuration with CCDE} \begin{frame}{Configuration of WR devices at CERN}
\includegraphics<1>[width=.99\textwidth]{management/MonitoringConfig-3-config.png} \includegraphics<1>[width=.9\textwidth]{management/MonitoringConfig-3-config-v2.png}
\includegraphics<2>[width=.99\textwidth]{management/MonitoringConfig-4-CCDE-switch.png} \includegraphics<2>[width=.9\textwidth]{management/MonitoringConfig-5-CCDE-node.png}
\includegraphics<3>[width=.99\textwidth]{management/MonitoringConfig-5-CCDE-node.png} \begin{center}\scriptsize
\textcolor{white}{Web interface for DB, it generates WR Switch config in JASON format, provided to
\url{https://gitlab.cern.ch/white-rabbit/wrs-config-generator}}
\end{center}
\end{frame} \end{frame}
\begin{frame}{Configuration of WR devices at CERN}
\includegraphics[width=.9\textwidth]{management/MonitoringConfig-4-CCDE-switch.png}
\begin{center}\scriptsize
Web interface for DB, it generates WR Switch config in JASON format, provided to
\url{https://gitlab.cern.ch/white-rabbit/wrs-config-generator}
\end{center}
\end{frame}
\begin{frame}{Global WR network at CERN} \begin{frame}{Global WR network at CERN}
\includegraphics[width=\textwidth]{applications/CERN/WR_network_CERN.png} \includegraphics[width=\textwidth]{applications/CERN/WR_network_CERN.png}
\end{frame} \end{frame}
......
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