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White Rabbit
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3ac04318
Commit
3ac04318
authored
Jun 15, 2018
by
Maciej Lipinski
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wrApplicationsOverview.tex
papers/ISPCS2018/wrApplicationsOverview.tex
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papers/ISPCS2018/wrApplicationsOverview.tex
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3ac04318
...
...
@@ -65,7 +65,7 @@ that WR will continue to proliferate in scientific applications and should soon
\end{abstract}
\vspace
{
-0.1cm
}
\section
{
Introduction
}
White Rabbit (WR)
\cite
{
biblio:whiteRabbit
}
is a
new
technology that provides sub-nanosecond
White Rabbit (WR)
\cite
{
biblio:whiteRabbit
}
is a
n innovative
technology that provides sub-nanosecond
accuracy and picoseconds precision of synchronization as well as deterministic and
reliable data delivery for large distributed systems.
% \textcolor{gray}{
...
...
@@ -88,7 +88,7 @@ to meet the requirements of WR applications. A WR network
is a Bridged Local Area Network (IEEE 802.1Q) that uses Ethernet
(IEEE 802.3) to interconnect network elements and
Precision Time Protocol (PTP, IEEE 1588) to synchronize
them. A WR network consists of
WR switches and WR
nodes
them. A WR network consists of
switches and
nodes
that implement WR enhancements:
\begin{enumerate}
\item
\textbf
{
Synchronization with sub-ns accuracy and picoseconds precision
}
between all
...
...
@@ -98,7 +98,7 @@ that implement WR enhancements:
a purposely customized and open design of the WR switch, described in
\cite
{
biblio:MaciekPhD
}
.
\end{enumerate}
Studies
\cite
{
biblio:MaciekPhD
}
\cite
{
biblio:CesarPhD
}
\cite
{
biblio:JosePhD
}
ha
s
shown
Studies
\cite
{
biblio:MaciekPhD
}
\cite
{
biblio:CesarPhD
}
\cite
{
biblio:JosePhD
}
ha
ve
shown
that both of the above enhancements can be further extended to operate in a highly reliable
manner ensuring at most a single failure per year for a network of 2000 WR nodes.
% \begin{figure}[!ht]
...
...
@@ -237,10 +237,10 @@ FMC \cite{biblio:cute-wr-dp},
cRIO
\cite
{
biblio:crio
}
and
PXI
\cite
{
biblio:spexi
}
.
All of these boards are open and commercially available
\cite
{
biblio:WRcompanies
}
.
Mor
over, more and more companies
integrate WR into their proprietary products,
Mor
e and more companies also
integrate WR into their proprietary products,
\cite
{
biblio:STRUCK
}
\cite
{
biblio:sundance
}
\cite
{
biblio:spdevices
}
.
Such a variety of WR nodes facilitates
implementations
of WR applications described in the following sections.
realization
of WR applications described in the following sections.
% \begin{figure}[!ht]
...
...
@@ -548,7 +548,7 @@ a precise delay with respect to the input signal.
The input trigger can be either a pulse or an analogue signal exceeding a treshold.
Once the trigger occurs, the information about the trigger (e.g. ID), along with
the timestamp, is sent over the WR network to other WR nodes, usually as a broadcast.
The deterministic characteristics of the WR network allows to
determin
e the
The deterministic characteristics of the WR network allows to
calculat
e the
upper-bound latency for the message to reach all the WR nodes.
In order to make sure that all the "interested" nodes act upon the trigger
simultaneously, the delay between the input trigger and the time of execution
...
...
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