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White Rabbit
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White Rabbit
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a9dd8e64
Commit
a9dd8e64
authored
Jan 21, 2019
by
Javier Serrano
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Added a slide at the end with open questions
parent
ca04c7b5
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wr_bdr_2019.tex
presentations/WR_Javier_BDR_2019/wr_bdr_2019.tex
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presentations/WR_Javier_BDR_2019/wr_bdr_2019.tex
View file @
a9dd8e64
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@@ -295,7 +295,7 @@
\begin{itemize}
\item
Central element of WR network
\item
18 port gigabit Ethernet switch with WR features
\item
Optical transceivers: up to 10km, single-mode fib
er
\item
Optical transceivers: up to 10km, single-mode fib
re
\item
Fully open design, commercially available
\end{itemize}
\end{center}
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@@ -458,7 +458,7 @@
\end{center}
\begin{block}
{
Distributed Direct Digital Synthesis
}
\begin{itemize}
\item
Replaces dozens of cables with a single fib
er
.
\item
Replaces dozens of cables with a single fib
re
.
\item
Works over big distances without degrading signal quality.
\item
Can provide various clocks (RF of many rings and linacs)
with a single, standard link.
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@@ -499,6 +499,30 @@ PC.
%For more information see http://www.ohwr.org/projects/white-rabbit/wiki
\end{frame}
\begin{frame}
{
Food for thought/discussion
}
\begin{itemize}
\item
Can precise synchronisation play a role in security?
\begin{itemize}
\item
Monitoring network latency?
\item
Monitoring program execution times?
\item
Complementing other sources of time (e.g. GPS) for
redundancy in applications calling for robust time distribution?
\end{itemize}
\pause
\item
What about security in IEEE-1588 itself? Four-prong
approach in new revision of the standard:
\begin{itemize}
\item
Integrated security mechanisms (authentication and
integrity of messages through encryption).
\item
External transport security mechanisms (MACSec, IPSec).
\item
Architectural mechanisms (e.g. redundancy).
\item
Monitoring and management.
\end{itemize}
\end{itemize}
\end{frame}
\begin{frame}
{
Need more information?
}
\begin{center}
\includegraphics
[height=4.0cm]
{
misc/white
_
rabbit
_
end.png
}
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