wip

6 files changed, 42 insertions, 0 deletions

diff --git a/images/IP-Header_eng.aux b/images/IP-Header_eng.aux
new file mode 100644
index 0000000..f23e546
--- /dev/null
+++ b/images/IP-Header_eng.aux
@@ -0,0 +1 @@
+\relax 
diff --git a/images/IP-Header_eng.pdf b/images/IP-Header_eng.pdf
new file mode 100644
index 0000000..86ed3c3
--- /dev/null
+++ b/images/IP-Header_eng.pdf
diff --git a/images/IP-Header_eng.tex b/images/IP-Header_eng.tex
new file mode 100644
index 0000000..b65ecdf
--- /dev/null
+++ b/images/IP-Header_eng.tex
@@ -0,0 +1,38 @@
+\documentclass[preview]{standalone}
+\usepackage{blindtext}
+\usepackage[utf8]{inputenc}
+\usepackage{tikz}
+\usetikzlibrary{arrows,decorations.pathmorphing,backgrounds,fit,positioning,shapes.symbols,chains,shapes.geometric,shapes.arrows,calc}
+
+\begin{document}
+  \begin{tikzpicture}[scale=0.47]
+	\foreach \x in {0,...,31}
+		\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,...,32}
+		\draw[thick, blue] (\x,13) -- (\x,21);
+	\node[thick] (bit1) at (-0.5,20.5) {\scriptsize bit};
+	\node[thick] (bit2) at (-0.5,13.5) {\scriptsize bit};
+	\draw [<->, thick] (-0.5, 19.9) -- (-0.5,15.1);
+	\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};
+	\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 (6,19.68) {\tiny header length};\node (mode) at (6,19.25) {\tiny with options};
+	\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] (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, 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 (31.5,14);
+	\draw[fill=white, draw=white] (31.4,14.96) rectangle (31.6,14.05);
+	\draw[thick]  (31.5,14.97)  decorate [decoration=saw] { -- (31.5,14.02)};
+	\node (mode) at (16,14.5) {\scriptsize IP options (variable length)};
+	\end{tikzpicture}
+\end{document}
diff --git a/images/ip-header.pdf b/images/ip-header.pdf
new file mode 100644
index 0000000..2ad03c7
--- /dev/null
+++ b/images/ip-header.pdf
diff --git a/images/ip-header.svg b/images/ip-header.svg
new file mode 100644
index 0000000..83c1600
--- /dev/null
+++ b/images/ip-header.svg
@@ -0,0 +1,2 @@
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="684px" height="281px" version="1.1" content="&lt;mxfile userAgent=&quot;Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36&quot; version=&quot;8.5.10&quot; editor=&quot;www.draw.io&quot;&gt;&lt;diagram&gt;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&lt;/diagram&gt;&lt;/mxfile&gt;"><defs/><g transform="translate(0.5,0.5)"><rect x="123" y="40" width="80" height="40" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(152.5,53.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="21" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Verdana; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 22px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">IHL</div></div></foreignObject><text x="11" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Verdana">IHL</text></switch></g><rect x="43" y="40" width="80" height="40" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(60.5,53.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="44" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Verdana; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 45px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">Version</div></div></foreignObject><text x="22" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Verdana">Version</text></switch></g><rect x="323" y="40" width="40" height="40" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(330.5,53.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="25" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Verdana; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 26px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">ECN</div></div></foreignObject><text x="13" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Verdana">ECN</text></switch></g><rect x="203" y="40" width="120" height="40" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(246.5,53.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="33" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Verdana; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 34px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">DSCP</div></div></foreignObject><text x="17" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Verdana">DSCP</text></switch></g><g transform="translate(345.5,23.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="15" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Verdana; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 16px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;"><div style="text-align: left"><span>15</span></div></div></div></foreignObject><text x="8" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Verdana">[Not supported by viewer]</text></switch></g><g transform="translate(29.5,93.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="8" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Verdana; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 9px; white-space: nowrap; word-wrap: normal; text-align: right;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;"><div style="text-align: left"><span>4</span></div></div></div></foreignObject><text x="4" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Verdana">[Not supported by viewer]</text></switch></g><g transform="translate(208.5,23.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="8" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Verdana; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 9px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;"><div style="text-align: left"><span>8</span></div></div></div></foreignObject><text x="4" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Verdana">[Not supported by viewer]</text></switch></g><g transform="translate(188.5,23.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="8" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Verdana; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 9px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;"><div style="text-align: left"><span>7</span></div></div></div></foreignObject><text x="4" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Verdana">[Not supported by viewer]</text></switch></g><rect x="363" y="40" width="320" height="40" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(487.5,53.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="71" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Verdana; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 72px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">Total length</div></div></foreignObject><text x="36" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Verdana">Total length</text></switch></g><g transform="translate(505.5,23.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="15" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Verdana; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 16px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;"><div style="text-align: left"><span>23</span></div></div></div></foreignObject><text x="8" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Verdana">[Not supported by viewer]</text></switch></g><g transform="translate(365.5,23.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="15" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Verdana; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 16px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;"><div style="text-align: left"><span>16</span></div></div></div></foreignObject><text x="8" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Verdana">[Not supported by viewer]</text></switch></g><g transform="translate(665.5,23.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="15" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Verdana; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 16px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;"><div style="text-align: left"><span>31</span></div></div></div></foreignObject><text x="8" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Verdana">[Not supported by viewer]</text></switch></g><g transform="translate(525.5,23.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="15" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Verdana; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 16px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;"><div style="text-align: left"><span>24</span></div></div></div></foreignObject><text x="8" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Verdana">[Not supported by viewer]</text></switch></g><rect x="43" y="80" width="320" height="40" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(163.5,93.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="79" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Verdana; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 80px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">Identification</div></div></foreignObject><text x="40" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Verdana">Identification</text></switch></g><rect x="363" y="80" width="60" height="40" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(377.5,93.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="31" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Verdana; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 32px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">Flags</div></div></foreignObject><text x="16" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Verdana">Flags</text></switch></g><rect x="423" y="80" width="260" height="40" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(504.5,93.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="96" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Verdana; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 97px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">Fragment offset</div></div></foreignObject><text x="48" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Verdana">Fragment offset</text></switch></g><rect x="363" y="120" width="320" height="40" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(469.5,133.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="107" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Verdana; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 108px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">Header checksum</div></div></foreignObject><text x="54" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Verdana">Header checksum</text></switch></g><rect x="43" y="120" width="160" height="40" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(87.5,133.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="71" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Verdana; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 72px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">Time to live</div></div></foreignObject><text x="36" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Verdana">Time to live</text></switch></g><rect x="203" y="120" width="160" height="40" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(258.5,133.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="48" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Verdana; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 49px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">Protocol</div></div></foreignObject><text x="24" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Verdana">Protocol</text></switch></g><rect x="43" y="160" width="640" height="40" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(316.5,173.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="93" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; 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font-size: 12px; font-family: Verdana; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 9px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;"><div style="text-align: left"><span>0</span></div></div></div></foreignObject><text x="4" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Verdana">[Not supported by viewer]</text></switch></g><g transform="translate(29.5,53.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="8" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Verdana; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 9px; white-space: nowrap; word-wrap: normal; text-align: right;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;"><div style="text-align: left"><span>0</span></div></div></div></foreignObject><text x="4" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Verdana">[Not supported by viewer]</text></switch></g><g transform="translate(29.5,133.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="8" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Verdana; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 9px; white-space: nowrap; word-wrap: normal; text-align: right;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;"><div style="text-align: left"><span>8</span></div></div></div></foreignObject><text x="4" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Verdana">[Not supported by viewer]</text></switch></g><g transform="translate(21.5,173.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="16" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Verdana; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 17px; white-space: nowrap; word-wrap: normal; text-align: right;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;"><div style="text-align: left"><span>12</span></div></div></div></foreignObject><text x="8" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Verdana">[Not supported by viewer]</text></switch></g><g transform="translate(21.5,213.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="16" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Verdana; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 17px; white-space: nowrap; word-wrap: normal; text-align: right;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;"><div style="text-align: left"><span>16</span></div></div></div></foreignObject><text x="8" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Verdana">[Not supported by viewer]</text></switch></g><rect x="43" y="240" width="640" height="40" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(339.5,253.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="46" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Verdana; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 47px; white-space: nowrap; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">Options</div></div></foreignObject><text x="23" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Verdana">Options</text></switch></g><g transform="translate(0.5,246.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="38" height="26" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Verdana; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 38px; white-space: normal; word-wrap: normal; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;"><div style="text-align: left"><span>20 - 32</span></div></div></div></foreignObject><text x="19" y="19" fill="#000000" text-anchor="middle" font-size="12px" font-family="Verdana">[Not supported by viewer]</text></switch></g><g transform="translate(23.5,2.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="17" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Verdana; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; white-space: nowrap; text-align: right;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">Bit</div></div></foreignObject><text x="9" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Verdana">Bit</text></switch></g><g transform="translate(1.5,22.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="27" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Verdana; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; white-space: nowrap;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;">Byte</div></div></foreignObject><text x="14" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Verdana">Byte</text></switch></g><path d="M 3 0 L 43 40" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/></g></svg>
\ No newline at end of file
diff --git a/images/ip-header.xml b/images/ip-header.xml
new file mode 100644
index 0000000..4ac4521
--- /dev/null
+++ b/images/ip-header.xml
@@ -0,0 +1 @@
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\ No newline at end of file