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\documentclass[compress,red]{beamer}
\mode<presentation>
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% include packages
\usepackage{subfigure}
\usepackage{multicol}
\usepackage{amsmath}
\usepackage{epsfig}
\usepackage{graphicx}
\usepackage[all,knot]{xy}
\xyoption{arc}
\usepackage{url}
\usepackage{multimedia}
\usepackage{hyperref}
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%%%%%%%%%%%%5
%\usepackage{geometry}
%\geometry{verbose,letterpaper}
%\usepackage{movie15}
%\usepackage{hyperref}
%%%%%%%
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\graphicspath{ {../../figures/} }
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% greetings, introduce yourself
% \includegraphics[height=5cm]{fig/WRlogo.ps}
\title[White Rabbit Specification\hspace{2em}\insertframenumber/ \inserttotalframenumber]
{White Rabbit Specification \\ version 2}
\institute{
$5^{th}$ White Rabbit Workshop \\ CERN
}
\author{
Maciej Lipi\'{n}ski %, T.W\l{}ostowski, J.Serrano, P.Alvarez
}
\date{September 19, 2011}
% \institute%[Universities of Somewhere and Elsewhere] % (optional, but mostly needed)
% {
% \begin{center}
% BE-CO-HT\\
% CERN, Geneva,\\
% Switzerland\\
% \end{center}
% }
\pgfdeclareimage[height=0.6cm]{wr-logo}{logo/WRlogo.pdf}
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\logo{\pgfuseimage{wr-logo}}
\AtBeginSection[]
% {
% \begin{frame}<beamer>{Outline}
% \tableofcontents[currentsection]
% \end{frame}
% }
\begin{document}
\frame{\titlepage}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}<beamer>{Outline}
\tableofcontents %[currentsection]
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\section{Introduction}
\subsection{}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}{Time Distribution in White Rabbit}
\begin{itemize}
\item Synchronization with {\bf sub-ns} accuracy over fiber
\item Combination of
\begin{itemize}
\item Precision Time Protocol ({\bf PTP}) synchronization
\item Synchronous Ethernet ({\bf SyncE}) syntonization
\item Digital Dual-Mixer Time Difference ({\bf DDMTD}) phase detection
\end{itemize}
% \item Reliability-oriented.
\item WR Link:
\end{itemize}
\begin{center}
\includegraphics[height=3cm]{protocol/wrLink.pdf}
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\end{center}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% \subsection{}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}{Time Distribution in White Rabbit}
\center A White Rabbit Network
\begin{center}
\includegraphics[width=11.5cm]{network/wrTopology.pdf}
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\end{center}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% \section{PTP}
% \subsection{}
\begin{frame}{Precision Time Protocol (PTP)}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{columns}[c]
\column{2.8in}
\begin{itemize}
\item IEEE1588-2008 standard
\item packet-based protocol
\item synchronizes devices in distributed systems
\item Best Master Clock (BMC) Algorithm -- defines the role PTP node
\end{itemize}
\column{1.5in}
\includegraphics[height=5.5cm]{protocol/ptpMSGs.pdf} \\
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\small
one-way mean delay: \\
$\mu = \frac{(t_{4}-t_{1}) - (t_{3}-t_{2})}{2}$ \\
\small
$offset = t_{2} - (t_{1} + \mu)$
\end{columns}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% \subsection{}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}{Why not standard PTP?}
\resizebox{11cm}{!}
{
\begin{tabular}{ r c l }
{\bf What are the issues...} & {\bf and} & {\bf ... how we address them} \\
& & \\
PTP-base & \multirow{2}{*}{$\Rightarrow$} & \multirow{2}{*}{SyncE }\\
syntonization & & \\
& & \\
limited &\multirow{2}{*}{$\Rightarrow$} & SyncE \\
precision and resolution & & DDTMD phase detection\\
& & \\
& & SyncE \\
unknown link asymmetry & $\Rightarrow$ & DDTMD phase detection \\
& & WR Link Delay Model \\
& & \\
\multicolumn{3}{c}{WR extension to PTP ({\bf WRPTP}) for } \\
\multicolumn{3}{c}{extra data exchange and logic} \\
\end{tabular}
}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\section{Link Delay Model}
\subsection{}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}{Link Delay Model}
\begin{align}
\nonumber delay_{ms} &= \Delta_{tx_m} + \delta_{ms} + \Delta_{rx_s} \\
\nonumber delay_{sm} &= \Delta_{tx_s} + \delta_{sm} + \Delta_{rx_m}
\end{align}
\vspace{0.2cm}
\begin{center}
\includegraphics[height=2.5cm]{protocol/delaymodel.pdf}
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\end{center}
\begin{columns}[c]
\column{2.8in}
\begin{center}
\textbf{Relative Delay Coefficient ($\alpha$)} \\
for 1000base-X over a Single-mode Optical Fibre
\end{center}
\column{1.5in}
\begin{center}
\begin{equation}
\nonumber \delta_{ms} = (1 + \alpha) \, \delta_{sm}
\end{equation}
\end{center}
\vspace{0.5cm}
\end{columns}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% \subsection{}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}{Link Delay Model: fiber optic solution}
\begin{center}
\includegraphics[height=4cm]{protocol/wrLinkModel.pdf}
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\end{center}
\begin{columns}[c]
\column{1.5in}
\begin{center}
\textbf{Solution for Ethernet over a Single-mode Optical Fiber}
\end{center}
\column{2.7in}
\begin{equation}
\nonumber asymmetry = \Delta_{tx_m} + \Delta_{rx_s} - \frac{\Delta - \alpha \mu + \alpha \Delta}{2 + \alpha}
\end{equation}
\end{columns}
\end{frame}
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% \section{}
% \subsection{}
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% \begin{frame}{Overview of White Rabbit Distribution}
%
% fill in
%
% \end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\section{H/W for WR}
\subsection{}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% \begin{frame}{HW4WR}
%
% \begin{itemize}
% \item Fine Delay Measurement,
% \item Clock Recovery System,
% \item Fixed Delays Measurement.
% \end{itemize}
%
%
% \end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% \subsection{}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\setbeamertemplate{background}{\includegraphics[width=\paperwidth]{protocol/wrLinkModel-fdm2.pdf}}
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\logo{}
\begin{frame}{Fine Delay Measurement}
%background
\end{frame}
\setbeamertemplate{background}{}
\logo{\pgfuseimage{wr-logo}}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%\subsection{}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}{Fine Delay Measurement}
\begin{center}
\includegraphics[width=10.0cm]{protocol/link_model.pdf}
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\end{center}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%\subsection{}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\setbeamertemplate{background}{\includegraphics[width=\paperwidth]{protocol/wrLinkModel-fd.pdf}}
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\logo{}
\begin{frame}{Fixed Delays Measurement}
%background
\end{frame}
\setbeamertemplate{background}{}
\logo{\pgfuseimage{wr-logo}}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%\subsection{}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}{Fixed Delays Measurement}
\begin{center}
\includegraphics[width=10.0cm]{misc/calibration.pdf}
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\end{center}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\section{WRPTP}
\subsection{}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}{White Rabbit extension to PTP (WRPTP)}
\begin{itemize}
\item WR-peers recognition
\item Calibration
\item Exchange of WR-data
\item Support of redundancy
\end{itemize}
\end{frame}
% we need to exchange some extra WR data in order to recognize WR peers (syncE),
% the exchange of data is also needed to perform calibration, where also some extra logic is needed
% and finaly to exchange the WR parameters. Finally, the support of time-source redundancy by
% the standard PTP is not enough for WR, so we needed to change this as well
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% \section{WRPTP}
%\subsection{}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}{Exchange of WR-data}
\begin{columns}[c]
\column{.5\textwidth}
\begin{center}
\includegraphics[width=5.5cm]{protocol/WR-peer_recognision-1.pdf}
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\end{center}
\column{.5\textwidth}
\begin{itemize}
\item WR Type-Length-Value (WR TLV):
\begin{itemize}
\item ORGANIZATION\_EXT
\item CERN's OUI
\end{itemize}
\vspace{0.5cm}
\item WR data stored:
\begin{itemize}
\item Additional Fields in PTP Data Sets
\item backupParentDS
\end{itemize}
% \vspace{0.5cm}
% \item WR data exchange by:
% \begin{itemize}
% \item suffixing Announce Messages
% \item creating WR Signaling Messages
% \end{itemize}
\end{itemize}
\end{columns}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% \subsection{}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}{WR-peer recognition}
\begin{columns}[c]
\column{.5\textwidth}
\begin{center}
\includegraphics[width=5.5cm]{protocol/WR-peer_recognision-1.pdf}
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\end{center}
\column{.5\textwidth}
\begin{center}
\includegraphics[width=5.5cm]{protocol/WR-peer_recognision-2.pdf}
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\end{center}
\end{columns}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% \subsection{}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}{WR Link Setup }
\begin{columns}[c]
\column{.5\textwidth}
\begin{center}
\includegraphics[width=5.5cm]{protocol/wrLinkSetup.pdf}
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\end{center}
\column{.5\textwidth}
\begin{itemize}
\item Frequency locking
\item Calibration
\item Exchange of WR-parameters
\item WR Finite State Machine (FSM)
\item WR Signaling Messages
\end{itemize}
\end{columns}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%\subsection{}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}{WR Link Setup}
\begin{center}
\includegraphics[width=9.5cm]{protocol/wrLinkSetupFSM.pdf}
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\end{center}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% \subsection{}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}{modified BMC (mBMC)}
\begin{columns}[c]
\column{.6\textwidth}
\begin{block}{mBMC}
... forces PTP\_SLAVE state instead of PTP\_PASSIVE for clockClass $>$ 127
\end{block}
\begin{itemize}
\item Many PTP SLAVE ports in a single Boundary Clock
\item Active PTP SLAVE port used to synchronize and syntonize local clock
\item Modifies State Decision Algorithm
\item New Data Fields update
\end{itemize}
\column{.5\textwidth}
\begin{center}
\includegraphics[height=5.5cm]{protocol/mBMCvsBMC.pdf}
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\end{center}
\end{columns}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% \section{H/W for WR}
% \subsection{H/W for WR}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}{Clock Recovery System and modified BMC}
%{\it [problem with a presentation flow]}
\begin{center}
\includegraphics[width=11.8cm]{protocol/wrCRS_plus_mBMC.pdf}
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\end{center}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% \section{}
%\subsection{WRPTP Compliance}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}{WRPTP profile}
\begin{columns}[c]
\column{.17\textwidth}
\column{.64\textwidth}
\begin{block}{\center WRPTP profile}
\small
\begin{tabular}{| l | c |} \hline
profle name & White Rabbit \\ \hline
profile version & 1.0 \\ \hline
profile identifier & 08-00-03-00-01-00 \\ \hline
organization name & CERN \\ \hline
source identification & www.ohwr.org \\ \hline
\end{tabular}
\end{block}
\column{.17\textwidth}
\end{columns}
\vspace{0.5cm}
\begin{tabular}{ l l }
$->$ master clock algorighm: & mBMC \\
$->$ delay mechanism: & delay request-response \\
$->$ transport mechanism: & IEEE 802.3 \\
$->$ custom TLV: & WR TLVs \\
$->$ domain: & single domain only (value=0) \\
$->$ portDS.logSyncInterval: & default value 0, range: -1 to 6 \\
$->$ defaultDS.priority1: & default value 68 \\
\end{tabular}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% \section{WRPTP requirements}
%\subsection{}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}{WRPTP requirements}
% \begin{columns}[c]
% \column{.4\textwidth}
\begin{block}{H/W requirements}
\begin{itemize}
\item SyncE
\item Constant rx/tx latencies
\item Support of rx/tx latencies measurement
\item Sufficient timestamps precision
\end{itemize}
\end{block}
%\column{.6\textwidth}
\begin{block}{Implementation requirements}
\begin{itemize}
\item Issue/handle WR Announce and Signaling Message
\item non-preemptive WR Finite State Machine
\item WR data set and WR-specific data fields
\item SYNCHRONIZATION\_FAULT transition
\item MASTER\_CLOCK\_SELECTED transition
\item communication with H/W
\end{itemize}
\end{block}
% \end{columns}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\section{WR Spec. Changes}
\subsection{}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}{Modifications}
\resizebox{11cm}{!}
{
\begin{tabular}{ r c l }
{\bf WR Spec v1} & & {\bf WR Spec v2} \\
& & \\
WR Switch = set of ports & $\Rightarrow$ & WR Switch = boundary clock\\
& & \\
Management MSGs & $\Rightarrow$ & Signaling MSGs\\
& & \\
Small modificatins to & \multirow{2}{*}{$\Rightarrow$} & No modifications to \\
PTP State Machine & & PTP State Machine \\
& & \\
WR FSM in UNCALIBRATED & \multirow{2}{*}{$\Rightarrow$} & WR FSM in UNCALIBRATED (Slave) \\
(WR Master and Slave) & & WR FSM in MASTER (Master)\\
& & \\
Calibration pattern: & \multirow{2}{*}{$\Rightarrow$} & Calibration pattern: \\
configurable & & RD+ K28.7 \\
\end{tabular}
}
%also modified conditions to enter WR FSM %page 33
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% \section{New addons}
% \subsection{}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}{Add-ons }
\begin{itemize}
\item Clarity!!!
\item HW requirements
\item Interface with HW
\item Modified Best Master Clock (mBMC)
\item New Data Set and DS fields
\item Definition of Data Set fields (re-)initialization
\item Link Down and re-establishing link
\item Specification of Tx calibration
\item Possible knowledge of fixed delay a priori %page 19
\item Example implementation (Tomek's MSc)
\item WR computations
\item WRPTP Profile \& Requirements
% \item Definition of boundary clock, ordinary clock %page 16
% \item Clarification of when Signaling Messages are sent/received %page 28
% \item Definition of PTP FSM implementation-specific transitions %page 31
% \item Communication between WR State Machines %page 38
% \item Communication between WR State Machine and HW %page 39
%page 41
% \item Specification of re-try mechanism
% \item Definition of Link Down and Link re-establishing
\end{itemize}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\section{Conclusions}
\subsection{}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}{Improvements and Conclusions}
\begin{itemize}
\item Great feedback from John Eidson
\item Thicker but clearer
\item NO changes to PTP standard (v1 included a few)
\item WR Switch became a full-blown Boundary Clock!!!
\item Better fitted for standardization attempts
% \item ISPCS2011: possible joined efforts with Frence Telecom in standardization (!?)
\end{itemize}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\section{}
%\subsection{}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}{thank you}
\begin{center}
Any questions ?
\end{center}
\begin{center}
% \includegraphics[height=4.0cm]{fig/white_rabbit_by_kyoht.ps}
% \includegraphics[height=4.0cm]{fig/WRlogo.ps}
\includegraphics[height=3.0cm]{misc/white_rabbit_end.png}
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\end{center}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\end{document}