diff options
Diffstat (limited to 'slides/what-is-iot-slides.tex')
| -rw-r--r-- | slides/what-is-iot-slides.tex | 147 |
1 files changed, 79 insertions, 68 deletions
diff --git a/slides/what-is-iot-slides.tex b/slides/what-is-iot-slides.tex index 6da20bb..1b65fc0 100644 --- a/slides/what-is-iot-slides.tex +++ b/slides/what-is-iot-slides.tex @@ -679,97 +679,108 @@ The signaling does not specify any max data rate, very high rates \end{frame} -\begin{frame}{Details: IP} -\protect\hypertarget{details-ip}{} +\begin{frame}{Details: IP Header} +\protect\hypertarget{details-ip-header}{} \begin{center} -\begin{tikzpicture}[scale=0.30] - \sffamily - \foreach \x in {0,7,8,15,16,31} % {0,...,32} - \node at (\x+0.5,20.5) {\scriptsize \x}; -% \foreach \x in {0,...,31} -% \node at (\x+0.5,13.5) {\scriptsize \x}; - \foreach \x in {0,8,16,32} % {0,...,32} - \draw[thick] (\x,20) -- (\x,21); - \foreach \x in {0,...,32} - \draw[thick] (\x,14) -- (\x,20); -% \foreach \x in {0,...,32} -% \draw[thick] (\x,13) -- (\x,14); - \node[thick] (bit1) at (-0.6,20.5) {\scriptsize bit}; -% \node[thick] (bit2) at (-0.6,13.5) {\scriptsize bit}; - -\iffalse - \draw [<->, thick] (-0.6, 19.9) -- (-0.6,15.1); - \draw [thick] (-1, 20) -- (-0.1,20); - \draw [thick] (-1, 15) -- (-0.1,15); - \node[fill=white] at (-1.1,17.5) {\tiny 20 bytes}; -\fi - \foreach \y/\v in {0,4,8,12,16,20} - \node at (-0.6,{19.5-(\v / 4)}) {\scriptsize \v}; - - \filldraw[thick,draw=black, fill=white] (0,20) rectangle (4,19); \node (mode) at (2,19.5) {\scriptsize version}; - \filldraw[thick,draw=black, fill=white] (4,20) rectangle (8,19); \node (mode) at (6,19.5) {\scriptsize len}; -% \draw[thick, draw=black, fill=white] (8,20) rectangle (16,19); \node (stratum) at (11.5,19.5) {\scriptsize type of service (TOS)}; - \draw[thick, draw=black, fill=white] (8,20) rectangle (16,19); \node (stratum) at (11.5,19.5) {\scriptsize TOS}; - \draw[thick, draw=black, fill=white] (16,20) rectangle (32,19); \node (li) at (24,19.5) {\scriptsize full length of packet}; - \filldraw[thick,draw=black, fill=white] (0,19) rectangle (16,18); \node (mode) at (8,18.5) {\scriptsize identification}; -% \draw[thick, draw=black] (16,19) rectangle (19,18); \filldraw[white] (16.5,18.43) rectangle (19,18.88); \node [](li) at (17.5,18.67) {\tiny IP flags}; \node at (16.5,18.25) {\tiny x};\node at (17.5,18.25) {\tiny D};\node at (18.5,18.25) {\tiny M}; - \draw[thick, draw=black] (16,19) rectangle (19,18); \filldraw[white] (16.5,18.43) rectangle (19,18.88); \node at (16.5,18.5) {\scriptsize X};\node at (17.5,18.5) {\scriptsize D};\node at (18.5,18.5) {\scriptsize M}; - \draw[thick, draw=black, fill=white] (19,19) rectangle (32,18); \node (li) at (24,18.5) {\scriptsize fragment Offset}; - \filldraw[thick,draw=black, fill=white] (0,18) rectangle (8,17); \node (mode) at (4,17.5) {\scriptsize time to live (TTL)}; - \draw[thick, draw=black, fill=white] (8,18) rectangle (16,17); \node (stratum) at (11.5,17.5) {\scriptsize protocol}; - \draw[thick, draw=black, fill=white] (16,18) rectangle (32,17); \node (li) at (24,17.5) {\scriptsize header checksum}; - \filldraw[thick,draw=black, fill=white] (0,17) rectangle (32,16); \node (mode) at (16,16.5) {\scriptsize source IP address}; - \filldraw[thick,draw=black, fill=white] (0,16) rectangle (32,15); \node (mode) at (16,15.5) {\scriptsize destination IP address}; - \draw[thick,draw=black, fill=white] (0,15) rectangle (32,14); -% \draw[thick,draw=black, fill=white] (0,15) rectangle (31.5,14); -% \draw[fill=white, draw=white] (31.4,15) rectangle (31.6,16); -% \draw[thick] (31.5,14.97) decorate [decoration=saw] { -- (31.5,14.02)}; - \node (mode) at (16,14.5) {\scriptsize IP options (variable length)}; - - \filldraw[thick,draw=black, fill=white] (0,12) rectangle (32,14); \node (mode) at (16,13) {\scriptsize payload}; +\scalebox{0.5}{ +\begin{tikzpicture}[ +every node/.style={font=\bfseries}, +basebox/.style={anchor=north west, minimum height=2em, draw, rectangle}, +bitbox/.style={basebox, minimum width=2em}, +bytebox/.style={basebox, minimum width=16em}, +wordbox/.style={basebox, minimum width=32em}, +qwordbox/.style={basebox, minimum width=64em}, +] + +\path +(-9em, 2em) node[basebox, minimum width=5em] {Offsets} +(-9em, 0em) node[basebox, minimum width=5em] {Octet} +(-4em, 2em) node[basebox, minimum width=4em] {Octet} +(-4em, 0em) node[basebox, minimum width=4em] {Bit} +; + +\foreach \x in {0,...,3} + \node[bytebox] at (\x * 16em, 2em) {\scriptsize \x}; +\foreach \x in {0,...,31} + \node[bitbox] at (\x * 2em, 0em) {\scriptsize \x}; + +\foreach \x in {0,32,...,160} + \node[basebox, minimum width=4em] at (-4em, \x * -1/16*1em - 2em) {\scriptsize \x}; + +\foreach \x in {0,4,...,20} + \node[basebox, minimum width=5em] at (-9em, \x * -0.5em - 2em) {\scriptsize \x}; + +\path +(0em, -1 * 2em) node[basebox, minimum width=8em] {Version} +(8em, -1 * 2em) node[basebox, minimum width=8em] {IHL} +(16em, -1 * 2em) node[basebox, minimum width=16em] {TOS} +(32em, -1 * 2em) node[wordbox] {Packet length} + +(0em, -2 * 2em) node[wordbox] {Identification} +(32em, -2 * 2em) node[bitbox] {X} +(34em, -2 * 2em) node[bitbox] {D} +(36em, -2 * 2em) node[bitbox] {M} +(38em, -2 * 2em) node[basebox, minimum width=26em] {Fragement offset} + +(0em, -3 * 2em) node[bytebox] {TTL} +(16em, -3 * 2em) node[bytebox] {Protocol} +(32em, -3 * 2em) node[wordbox] {Header checksum} + +(0em, -4 * 2em) node[qwordbox] {Source ip address} +(0em, -5 * 2em) node[qwordbox] {Destination ip address} +(0em, -6 * 2em) node[qwordbox] {Options (variable length)} + +%(0em, -7 * 2em) node[qwordbox, minimum height=4 em] {Payload} +; \end{tikzpicture} +} \end{center} \end{frame} -\begin{frame}{Details: UDP} -\protect\hypertarget{details-udp}{} +\begin{frame}{Details: UDP Header} +\protect\hypertarget{details-udp-header}{} \begin{center} \scalebox{0.5}{ - \begin{tikzpicture}[ -every node/.style={font=\bfseries} +every node/.style={font=\bfseries}, +basebox/.style={anchor=west, minimum height=2em, draw, rectangle}, +bitbox/.style={basebox, minimum width=2em}, +bytebox/.style={basebox, minimum width=16em}, +wordbox/.style={basebox, minimum width=32em}, +qwordbox/.style={basebox, minimum width=64em}, ] -\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} +\path +(-9em, 2em) node[basebox, minimum width=5em] {Offsets} +(-9em, 0em) node[basebox, minimum width=5em] {Octet} +(-4em, 2em) node[basebox, minimum width=4em] {Octet} +(-4em, 0em) node[basebox, minimum width=4em] {Bit} ; \foreach \x in {0,...,3} - \node[draw, rectangle, minimum width=16em, minimum height=2em] at (\x * 16em + 8em, 2em) {\scriptsize \x}; + \node[bytebox] at (\x * 16em, 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[bitbox] at (\x * 2em, 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[basebox, minimum width=4em] at (-4em, -2em) {\scriptsize 0}; +\node[basebox, minimum width=4em] at (-4em, -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}; +\node[basebox, minimum width=5em] at (-9em, -2em) {\scriptsize 0}; +\node[basebox, minimum width=5em] at (-9em, -4em) {\scriptsize 4}; -\end{tikzpicture} +\path +( 0 * 2em, -1 * 2em) node[wordbox] {source port} +(16 * 2em, -1 * 2em) node[wordbox] {destination port} +( 0 * 2em, -2 * 2em) node[wordbox] {length} +(16 * 2em, -2 * 2em) node[wordbox] {checksum} +; +\end{tikzpicture} } \end{center} |