1 files changed, 32 insertions, 0 deletions
diff --git a/slides/images/udp-packet.pgf b/slides/images/udp-packet.pgf
new file mode 100644
index 0000000..405f805
--- /dev/null
+++ b/slides/images/udp-packet.pgf
@@ -0,0 +1,32 @@
+\scalebox{0.5}{
+
+\begin{tikzpicture}[
+every node/.style={font=\bfseries}
+]
+
+\path 
+(-6.5em, 2em) node[draw, rectangle, minimum width=5em, minimum height=2em] {Offsets}
+(-6.5em, 0em) node[draw, rectangle, minimum width=5em, minimum height=2em] {Octet}
+(-2em, 2em) node[draw, rectangle, minimum width=4em, minimum height=2em] {Octet}
+(-2em, 0em) node[draw, rectangle, minimum width=4em, minimum height=2em] {Bit}
+
+(16em, -2em) node[draw, rectangle, minimum width=32em, minimum height=2em] {source port}
+(48em, -2em) node[draw, rectangle, minimum width=32em, minimum height=2em] {destination port}
+(16em, -4em) node[draw, rectangle, minimum width=32em, minimum height=2em] {length}
+(48em, -4em) node[draw, rectangle, minimum width=32em, minimum height=2em] {checksum}
+;
+
+\foreach \x in {0,...,3}
+	\node[draw, rectangle, minimum width=16em, minimum height=2em] at (\x * 16em + 8em, 2em) {\scriptsize \x};
+\foreach \x in {0,...,31}
+	\node[draw, rectangle, minimum width=2em, minimum height=2em] at (\x * 2em + 1em, 0em) {\scriptsize \x};
+
+\node[draw, rectangle, minimum width=4em, minimum height=2em] at (-2em, -2em) {\scriptsize 0};
+\node[draw, rectangle, minimum width=4em, minimum height=2em] at (-2em, -4em) {\scriptsize 32};
+
+\node[draw, rectangle, minimum width=5em, minimum height=2em] at (-6.5em, -2em) {\scriptsize 0};
+\node[draw, rectangle, minimum width=5em, minimum height=2em] at (-6.5em, -4em) {\scriptsize 4};
+
+\end{tikzpicture}
+
+}