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c9871be8
Commit
c9871be8
authored
Jun 23, 2022
by
Maciej Lipinski
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GEANT presentation - final version presented
parent
cdeb0cda
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28 deletions
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WR_devices.pptx
figures/management/WR_devices.pptx
+0
-0
web_interface.png
figures/management/web_interface.png
+0
-0
wr_intro_2022_geant.tex
presentations/WR_Maciej_GEANT_2022/wr_intro_2022_geant.tex
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-28
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figures/management/WR_devices.pptx
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presentations/WR_Maciej_GEANT_2022/wr_intro_2022_geant.tex
View file @
c9871be8
...
...
@@ -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
{
0.7
5
\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
{
0.4
5
\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
{
sh
a
ll
}
or
\textit
{
snmp
}
\item
SFP database needs to be configured via
\textit
{
sh
e
ll
}
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
{
sh
a
ll
}
or
\textit
{
snmp
}
\item
WR Node - database configured via
\textit
{
sh
e
ll
}
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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