From 7faa0241c9b74537a03aab9cce7dcfe18c403203 Mon Sep 17 00:00:00 2001 From: Sheppy Date: Mon, 19 Oct 2015 17:08:39 +0200 Subject: [PATCH] intruduced tkitz and removed postscripts should compile with normal latxmk now --- Vorlesungen/RK/KlausurLV_WS1415_Maerz2015.tex | 185 +++++++++++++++++- 1 file changed, 178 insertions(+), 7 deletions(-) diff --git a/Vorlesungen/RK/KlausurLV_WS1415_Maerz2015.tex b/Vorlesungen/RK/KlausurLV_WS1415_Maerz2015.tex index bb269e8..e0952e3 100644 --- a/Vorlesungen/RK/KlausurLV_WS1415_Maerz2015.tex +++ b/Vorlesungen/RK/KlausurLV_WS1415_Maerz2015.tex @@ -2,6 +2,9 @@ \documentclass{article} \usepackage{amsmath} %\usepackage{epsf} +%tkitz stuff +\usepackage{tikz} +\usepackage{listings} \DeclareMathSizes{10}{10}{10}{10} \setlength{\parindent}{0pt} \title{Klausur M\"arz 2015} @@ -37,10 +40,178 @@ \textbf{a)}\\ - selbsttaktend: Empfänger kann Sendertakt aus Signal gewinnen \\ - gleichstromfrei: kein Gleichanteil im elektrischen Signal \\ - \textbf{b)}\\ - %Postscript include - %\epsfxsize=10pt - %\includegraphics[scale=1]{/postscripts/test.eps} - - -\end{document} \ No newline at end of file + \textbf{b)}\\\\ + \begin{tikzpicture}[xscale=2] + \draw (0,0) -- (0.25,0) -- (0.25,0.5) -- (0.75,0.5) -- (0.75,0) -- (1,0) -- + (1,0.5) -- (1.25,0.5) -- (1.25,0) -- (1.5,0) -- (1.5,0.5) -- (1.75,0.5) -- + (1.75,0) -- (2.25,0) -- (2.25,0.5) -- (2.5,0.5) -- (2.5,0) -- (2.75,0) -- + (2.75,0.5) -- (3.25,0.5) -- (3.25,0) -- (3.5,0) -- (3.5,0.5) -- (3.75,0.5) -- + (3.75,0) -- (4,0); + \end{tikzpicture}\\ + -\hspace{3mm}0\hspace{8mm}1\hspace{8.5mm}1\hspace{8mm}1\hspace{9mm}0\hspace{8mm} + 0\hspace{8mm}1\hspace{8mm}1 \;\;- \\ + \section{TCP} + \subsection{Round-Trip-Time} + \[ RTT = 2*d_{prop} + 10ms = 2*45ms+10ms = 100ms \] + \subsection{TCP Verlauf} + $A->B: SYN, Seq=1, Ack=XX \\ + A<-B: SYN, ACK, Seq=XX+1, Ack=2 \\ + A->B: ACK, Seq=2, Ack=XX+2 \\ + \textbf{\textit{Verbindung erfolgreich aufgebaut}} \\ + A<-B: Data, Seq=XX+2, Ack=3 \hspace*{1cm}|\;\;CW = 1 \\ + A->B: ACK, Seq=3, Ack=XX+3 \\ + \textbf{\textit{BANG!}} \\ + A<-B: Data, Seq=XX+3, Ack=4 \\ + A<-B: Data, Seq=XX+4, Ack=5 \hspace*{1cm}|\;\; CW = 2 \\ + \textbf{\textit{Demnach weiterer Verlauf nach tau:}} \\ + A<-B: Data, Seq=XX+3, Ack=4 \hspace*{1cm}|\;\; CW = 1 \\ + A->B: ACK, Seq=4, Ack=XX+4 \\ + A<-B: Data, Seq=XX+4, Ack=5 \hspace*{1cm}|\;\; CW = 2 \\ + A<-B: Data, Seq=XX+5, Ack=6 \\ + A->B: ACK, Seq=5, Ack=XX+5 \\ + A->B: ACK, Seq=6, Ack=XX+6 \\ + $\\ + Nach dem 4. Paket wurden 5000 Bytes uebertragen. + \subsection{Leistungsanalyse} + $d_{prop} = 45ms$\\\\ + $d_{trans} = \frac{L}{R} = 1ms\;\;denn\;10\frac{MBit}{s} = + 10^6 \frac{Bit}{s} = 1250\frac{Byte}{s}$\\\\ + $\frac{O}{L} = \frac{5000}{1250} = 4$\;\;\;\;$t = 2RTT + 4*1ms + 4*45ms = 384 (mit\;RTT\;als\;100ms)$ + \newpage + \section{Programieraufgabe TCP-FIN} + \begin{lstlisting}[language=java] +public class TCPFIN extends base { + final int FIN_WAIT_1 = 1; + final int FIN_WAIT_2 = 2; + final int CLOSING = 3; + final int TIME_WAIT = 4; + final int CLOSED = 5; + + int state; + + void close() throws IOException { + state = FIN_WAIT_1; + send(FIN); + } + + void receive(int flag) throws IOException { + if (flag == FIN) { + if (state == FIN_WAIT_1) { + state = CLOSING; + } else if (state == FIN_WAIT_2) { + state = TIME_WAIT; + startTimer(); + } + send(ACK); + } else if (flag == ACK) { + if (state == FIN_WAIT_1) { + state = FIN_WAIT_2; + } else if (state == CLOSING) { + state = TIME_WAIT; + startTimer(); + } + } + } + + void timeout() throws WrongStateException { + if (state != TIME_WAIT) { + throw new WrongStateException(); + } + state = CLOSED; + } +} +\end{lstlisting} +\newpage +%unformated codeblock end + \section{Routingverfahren} + \subsection{Routingverfahren} + \subsubsection{Darstellung} + \begin{tikzpicture} + %Knoten + \draw(0,2) circle [radius=0.3]; + \draw(3,2) circle [radius=0.3]; + \draw(6,2) circle [radius=0.3]; + \draw(0,0) circle [radius=0.3]; + \draw(3,0) circle [radius=0.3]; + %Beschriftung Knoten + \node[purple] at (0,2) {P}; + \node[purple] at (3,2) {A}; + \node[purple] at (6,2) {S}; + \node[purple] at (0,0) {C}; + \node[purple] at (3,0) {B}; + %Linien + \draw (0.3,0) -- (2.7,0); + \draw (0,0.3) -- (0,1.7); + \draw (0.3,2) -- (2.7,2); + \draw (3,0.3) -- (3,1.7); + \draw (3.3,2) -- (5.7,2); + \draw (3.3,0) -- (6,1.7); + \draw (3,0.3) -- (0,1.7); + %Beschriftungen Linien + \node [left,red] at (0,1) {1}; + \node [above,red] at (1.5,2) {8}; + \node [above,red] at (1.5,1) {4}; + \node [below,red] at (1.5,0) {2}; + \node [left,red] at (3,1) {2}; + \node [red] at (4.5,1) {4}; + \node [above,red] at (4.5,2) {1}; + \end{tikzpicture} + \subsubsection{Minimal aufspannender Baum} + \begin{tabular}{| l | c | c | c | c | c |} + \hline + S & N' & D(A),p(A) & D(B),p(B) & D(C),p(C) & D(P),p(P) \\ \hline + test&test &test &test &test &test \\ \hline + \end{tabular} + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +\end{document}