diff --git a/ex06/kn06.pdf b/ex06/kn06.pdf
index ad69c44..258549a 100644
--- a/ex06/kn06.pdf
+++ b/ex06/kn06.pdf
Binary files differ
diff --git a/ex06/kn06.tex b/ex06/kn06.tex
index cec5bca..3db419f 100644
--- a/ex06/kn06.tex
+++ b/ex06/kn06.tex
@@ -101,21 +101,24 @@
             \item Teardown time: not needed since data is transmitted before teardown
             \item[$\rightarrow$] Transmission time: $\approx 23.1s$
             \includegraphics[width=.5\textwidth]{circuitSwitching.png}
+            \begin{corr}
+                delays fehlen in der Zeichnung
+            \end{corr}
         \end{itemize}
         \item Message switching:
         \begin{itemize}
             \item One message containing $80000bit+400 bit=80400 bit$
             \item Setup: no setup times given so we assume datagram switching with one message
-            \item Data transmission: $\frac{80400bit}{4800bit/s}+ 3\cdot 2\cdot 0.02s= 16.75 s+0.12s\approx 16.9s$
-            \item[$\rightarrow$] Transmission time $\approx 16.9s$
+            \item Data transmission: $\textcorr{3\cdot}\frac{80400bit}{4800bit/s}+ 3\cdot 2\cdot 0.02s$\textcorr{$\approx 50.35s$}
+            \item[$\rightarrow$] Transmission time $\approx 50.35s$
             \includegraphics[width=.5\textwidth]{messageSwitching.png}
         \end{itemize}
         \item Package switching:
         \begin{itemize}
             \item 20 packages ($\frac{10000}{500}$) containing $500Byte+50Byte=4400bit$
             \item Setup: no setup times given so we assume datagram switching
-            \item Data transmission: $20\cdot \left(\frac{4400bit}{4800bit/s}+ 3\cdot 2\cdot 0.02s\right) \approx 20\cdot (0.9s+0.12s)\approx 20s$
-            \item[$\rightarrow$] Transmission time $\approx 20s$\vspace{-12pt}\\
+            \item Data transmission: \textcorr{$20\cdot \frac{4400bit}{4800bit/s}+3\cdot 0.02s +2\cdot\left(\frac{4400bit}{4800bit/s}+0.02s \right) \approx 20\cdot (0.9s+0.12s)\approx 20.27s$}
+            \item[$\rightarrow$] Transmission time $\approx 20.27s$\vspace{-12pt}\\
             Picture for each packet:
             \hfill\includegraphics[width=.5\textwidth]{messageSwitching.png}
         \end{itemize}
diff --git a/ex07/kn07.pdf b/ex07/kn07.pdf
index 7c3cbb3..0b22563 100644
--- a/ex07/kn07.pdf
+++ b/ex07/kn07.pdf
Binary files differ
diff --git a/ex07/kn07.tex b/ex07/kn07.tex
index 01efee8..be60dcf 100644
--- a/ex07/kn07.tex
+++ b/ex07/kn07.tex
@@ -85,7 +85,7 @@
 
 \begin{document}
 %\header{BlattNr}{Tutor}{Abgabedatum}{Vorlesungsname}{Namen}{Semester}{Anzahl Aufgaben}
-\header{6}{}{2015-12-02}{Kommunikationsnetze}{\textit{Jonas Jaszkowic, 3592719}\\\textit{Jan-Peter Hohloch, 3908712}}{WS 15/16}{4}
+\header{7}{}{2015-12-02}{Kommunikationsnetze}{\textit{Jonas Jaszkowic, 3592719}\\\textit{Jan-Peter Hohloch, 3908712}}{WS 15/16}{4}
 \vspace{1cm}
 \Aufgabe{Banyan Switches}{20}\\
 We assume $N=2^k,\ k\in\mathds{N}_0$, otherwise there are cases where the first stage is blocking.\\[0.2cm]