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Jake Hillion 2020-10-20 10:52:09 +01:00
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project-proposal.tex
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@ -4,6 +4,8 @@
\usepackage{pdfpages}
\usepackage{graphicx}
\usepackage{tikz}
\usetikzlibrary{positioning}
\begin{document}
\includepdf{cover.pdf}
@ -35,30 +37,38 @@ Some existing attempts to solve these problems, and the shortfalls of each solut
By providing congestion control over each interface and therefore being able to share packets without bias between connections, this project should provide a superior solution for load balancing across heterogeneous and volatile network connections. An example of a client using this is shown in Figure \ref{fig:sample-network}. It's worth noting that this solution is highly flexible, allowing the client to be a NAT Router with more devices behind it, or the flows from the Local Server to the Remote Server being tunnelled over a VPN.
\begin{figure}
\small
\begin{verbatim}
Uncontrolled
On Premises Off Premises Devices
+-------------------------------------------------+ +----------+ +----------+
\centering
\begin{tikzpicture}[
squarednode/.style={rectangle, draw=black!60, fill=red!5, very thick, minimum size=5mm},
]
% Nodes
\node[squarednode] (client) {Client};
\node[squarednode] (localserver) [right=of client] {Local Server};
\node[squarednode] (modema) [above right=0.5 and 1 of localserver] {Modem A};
\node[squarednode] (modemb) [below right=0.5 and 1 of localserver] {Modem B};
\node[squarednode] (remoteserver) [below right=0.5 and 1 of modema] {Remote Server};
\node[squarednode] (webserver) [above right=of remoteserver] {Web Server};
\node[squarednode] (voipserver) [right=of remoteserver] {VoIP Server};
\node[squarednode] (vpnserver) [below right=of remoteserver] {Corporate VPN};
% Edges
\draw[->] (client.east) -- (localserver.west);
\draw[->] (localserver.east) -- (modema.west);
\draw[->] (localserver.east) -- (modemb.west);
\draw[->] (modema.east) -- (remoteserver.west);
\draw[->] (modemb.east) -- (remoteserver.west);
\draw[->] (remoteserver.east) -- (webserver.west);
\draw[->] (remoteserver.east) -- (voipserver.west);
\draw[->] (remoteserver.east) -- (vpnserver.west);
\end{tikzpicture}
+----------+
| Web |
+->+ Server |
+----------+ via | | |
+-------------------------------+ | | ISP A | +----------+
| | +-->+ Modem A +--+ |
| +----------+ +----------+ | | | | | +----------+ | +----------+
| | | | Local +----+ +----------+ +---->+ Remote +--+ | VoIP |
| | Client +---->+ Server | | | Server |---->+ Server |
| | | | +----+ +----------+ +---->+ +--+ | |
| +----------+ +----------+ | | | | | +----------+ | +----------+
| | +-->+ Modem B +--+ |
+-------------------------------+ | | via | +----------+
+----------+ ISP B | |Corporate |
+->+ VPN |
| |
+----------+
\end{verbatim}
\caption{A network applying this proxy}
\label{fig:sample-network}
\end{figure}
@ -111,30 +121,31 @@ A sample network is provided in Figure \ref{fig:sample-network-session-based}.
\end{enumerate}
\begin{figure}
\small
\begin{verbatim}
Uncontrolled
On Premises Devices
+-------------------------------------------------+ +----------+
\centering
\begin{tikzpicture}[
squarednode/.style={rectangle, draw=black!60, fill=red!5, very thick, minimum size=5mm},
]
% Nodes
\node[squarednode] (client) {Client};
\node[squarednode] (natrouter) [right=of client] {NAT Router};
\node[squarednode] (modema) [above right=0.5 and 1 of natrouter] {Modem A};
\node[squarednode] (modemb) [below right=0.5 and 1 of natrouter] {Modem B};
\node[squarednode] (webserver) [above right=0.25 and 1 of modema] {Web Server};
\node[squarednode] (voipserver) [right=of modema] [below=of webserver] {VoIP Server};
\node[squarednode] (vpnserver) [right=of modemb] [below=of voipserver] {Corporate VPN};
% Edges
\draw[->] (client.east) -- (natrouter.west);
\draw[->] (natrouter.east) -- (modema.west);
\draw[->] (natrouter.east) -- (modemb.west);
\draw[->] (modema.east) -- (webserver.west);
\draw[->] (modema.east) -- (voipserver.west);
\draw[->] (modemb.east) -- (vpnserver.west);
\end{tikzpicture}
+----------+
| Web |
+-->+ Server |
+----------+ | | |
+-------------------------------+ | +--+ +----------+
| | +-->+ Modem A |
| +----------+ +----------+ | | | +--+ +----------+
| | | | NAT +----+ +----------+ | | VoIP |
| | Client +---->+ Router | | +-->+ Server |
| | | | +----+ +----------+ | |
| +----------+ +----------+ | | | | +----------+
| | +-->+ Modem B +--+
+-------------------------------+ | | | +----------+
+----------+ | |Corporate |
+-->+ VPN |
| |
+----------+
\end{verbatim}
\caption{A network with a NAT Router and two modems}
\label{fig:sample-network-session-based}
\end{figure}