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White Rabbit
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f69cbe31
Commit
f69cbe31
authored
Sep 28, 2020
by
Maciej Lipinski
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Added slides on the new WRS-4
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wrs_v4_design-1.jpg
figures/switch/wrs_v4_design-1.jpg
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wrs_v4_design-2.jpg
figures/switch/wrs_v4_design-2.jpg
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wr_write_2020.tex
presentations/WR_Javier_Maciej_WRITE_2020/wr_write_2020.tex
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figures/switch/wrs_v4_design-1.jpg
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presentations/WR_Javier_Maciej_WRITE_2020/wr_write_2020.tex
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f69cbe31
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@@ -56,6 +56,7 @@
\addtocounter
{
framenumber
}{
\value
{
framenumberappendix
}}
}
\graphicspath
{
{
../../figures/
}
}
\usepackage
[font=small,skip=0pt]
{
caption
}
...
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@@ -835,79 +836,76 @@ Distribution of magnetic field in CERN accelerators
\end{itemize}
\end{frame}
\section
{
Standardisation
}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\section
{
New WR Switch
}
\subsection
{}
\begin{frame}
{
W
R standardisation in IEEE1588 (1
)
}
\begin{frame}
{
W
hite Rabbit Switch version 4 (WRS-4
)
}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{columns}
[c]
\column
{
.8
\textwidth
}
\begin{itemize}
\small
\item
<1-> IEEE standards are revised periodically
\item
<2-> IEEE1588 revision [23] started in 2013
\&
targeted
\\\scriptsize
\textit
{
"...support for synchronisation to better than 1 nanosecond"
}
\\
\item
<3-> Working Group with 5 sub-committees
\item
<4-> High Accuracy sub-committee
\item
Project:
\textcolor
{
cyan
}{
\url
{
https://ohwr.org/project/wr-switch-hw-v4/wikis
}}
\item
Study phase (2019-2020):
\begin{itemize}
\scriptsize
\item
Focus on White Rabbit
\item
Experts from industry and academia
\item
Division of WR into self-contained parts
\item
Definition of Optional Features and PTP Profile that
allow WR-like implementation and WR performance
\end{itemize}
\item
<6-> Revised IEEE1588 expected in 2019/2020
\item
Inputs from WR community
\item
Study on the features and mainboard of the WRS-4
\\
\tiny
\textcolor
{
cyan
}{
\href
{
https://ohwr.org/project/wr-switch-hw-v4/wikis/features-choice-meeting-with-it
}{
CERN IT consultation
}}
,
\textcolor
{
cyan
}{
\href
{
https://ohwr.org/project/wr-switch-hw-v4/wikis/uploads/31c7019f3c24cb12ec0f8c79c108af59/WRS-v4-resource-utilization.pdf
}{
FPGA resource evaluation
}}
,
\textcolor
{
cyan
}{
\href
{
https://ohwr.org/project/wr-switch-hw-v4/wikis/uploads/2309166f9f7deb1249f3fa6fcb99c925/Study
_
on
_
the
_
new
_
hardware
_
features
_
for
_
the
_
WRS
_
4.pdf
}{
features
}}
and
\textcolor
{
cyan
}{
\href
{
https://ohwr.org/project/wr-switch-hw-v4/wikis/uploads/c4fa8bc97eeeb551c736146eae7b8e25/WRS-4
_
main
_
board
_
Hardware
_
Architecture
_
-v1.7-2020-06-09.pdf
}{
mainboard
}}
specifications
\scriptsize
\item
Negotiation of a (very good) price for the recommended FPGA
\item
\textcolor
{
cyan
}{
\href
{
https://www.ohwr.org/project/white-rabbit/wikis/New-WRS-4-Workshop
}{
New WRS-4 Workshop
}}
, to gather
\textcolor
{
cyan
}{
\href
{
https://ohwr.org/project/wr-switch-hw-v4/issues?scope=all
\&
utf8=
\%
E2
\%
9C
\%
93
&
state=all
}{
feedback
}}
from the WR community
\item
Final HW specification of the WRS-4
\end{itemize}
\item
Development (2020-2024) - two phases:
\begin{enumerate}
\scriptsize
\item
\textbf
{
WRS-4 with 1 Gbps (2022)
}
- 18-20 ports with 1 Gbps
\vspace
{
0.1cm
}
\item
\textbf
{
WRS-4 with 1
\&
10 Gbps (2024)
}
- 18-24 ports with 1 and/or 10 Gbps
\end{enumerate}
\end{itemize}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
{
WRS-4 HW specification
}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{columns}
[c]
\column
{
.7
\textwidth
}
\begin{itemize}
\scriptsize
\item
Drop-in replacement for the WRS-3
\item
HW prototype with 24 ports 1
\&
10 Gbps (
\textcolor
{
cyan
}{
\href
{
https://ohwr.org/project/wr-switch-hw-v4/issues/1
}{
see
}}
)
\\
\tiny
v4.1: 18-20@1Gb
\\
v4.2: 20-24@1
\&
10 Gbps or
\\\vspace
{
-0.1cm
}
\textcolor
{
white
}{
v4.2: 20-
}
20@1Gbps
\&
2-4 @10Gbps
\scriptsize
\item
Interfaces aligned with industry trends
\&
users’ needs
\\
\tiny
USB C, mgmt RJ45
\&
SFP, reset, 10MHz/1PPS/AUX in/out+Abscal, LCD
\scriptsize
\item
Redundant and hot-swappable fans, as well as industry-standard power supply
\item
Fanless-ready
\item
FPGA Zynq Ultrascale+ MPSoC ZU17
\\
GTH to front panel, GTY to expansion board
\item
Extension board (holdover, 25Gbps)
\item
Price-optimized for commercialisation
% \begin{itemize}\scriptsize
% \item Inputs from WR community
% \item Study on the features and mainboard of the WRS-4\\
% \item Negotation of a (very good) price for the recommended FPGA
% \item \textit{New WRS-4 Workshop} to gather feedback from the WR community
% \item Final HW specification of the WRS-4
% \end{itemize}
\end{itemize}
\column
{
.4
\textwidth
}
\column
{
.45
\textwidth
}
\begin{center}
\includegraphics
<1-2>[width=0.8
\textwidth
]
{
p1588/p1588-1.jpg
}
\includegraphics
<3>[width=0.8
\textwidth
]
{
p1588/p1588-2.jpg
}
\includegraphics
<4>[width=0.8
\textwidth
]
{
p1588/p1588-3.jpg
}
\includegraphics
<5->[width=0.8
\textwidth
]
{
p1588/p1588-4.jpg
}
\includegraphics
[width=0.99\textwidth]
{
switch/wrs
_
v4
_
design-1.jpg
}
\\
\includegraphics
[width=0.99\textwidth]
{
switch/wrs
_
v4
_
design-2.jpg
}
\end{center}
\end{columns}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
{
WR standardisation in IEEE1588 (2)
}
% \subsection{}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{center}
\includegraphics
<1>[width=0.88
\textwidth
]
{
p1588/HAin1588-0.jpg
}
\includegraphics
<2>[width=1.0
\textwidth
]
{
p1588/HAin1588-1.jpg
}
\includegraphics
<3>[width=1.0
\textwidth
]
{
p1588/HAin1588-2.jpg
}
\includegraphics
<4>[width=1.0
\textwidth
]
{
p1588/HAin1588-3.jpg
}
\includegraphics
<5>[width=1.0
\textwidth
]
{
p1588/HAin1588-4.jpg
}
\includegraphics
<6>[width=1.0
\textwidth
]
{
p1588/HAin1588-5.jpg
}
\end{center}
\begin{center}
\scriptsize
\textbf
{
White Rabbit integration into IEEE1588-20XX as High Accuracy [17]:
}
\url
{
https://www.ohwr.org/projects/wr-std/wiki/wrin1588
}
\end{center}
\end{frame}
% \begin{frame}{Current developments}
% \begin{block}{Switches and nodes are commercially available}
% Work now revolves around better diagnostics and remote management of WR
% networks as well as improving the phase noise and performing extensive network stress tests.
% \end{block}
% \pause
% \begin{block}{Standardisation}
% IEEE 1588 revision process is ongoing and contains a sub-committee (High
% Accuracy) dedicated to White Rabbit. Revised standard expected in 2019.
% \end{block}
% \pause
% \begin{block}{Robustness}
% Based on redundant information and fast switch-over between
% redundant fibres and switches.
% \end{block}
% \end{frame}
%
\section
{
Conclusions
}
\subsection
{}
...
...
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