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% History.tex
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% Fork Sand IT Manual
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% Copyright (C) 2018, Fork Sand, Inc.
% Copyright (C) 2017, Jeff Moe
% Copyright (C) 2017 Aleph Objects, Inc.
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% This document is licensed under the Creative Commons Attribution 4.0
% International Public License (CC BY-SA 4.0) by Fork Sand, Inc.
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\section{History}

\subsection{Cluster Evolution}
Forksand started deployment on dedicated servers.
    \vspace{0.6cm}
    First stage. Exclusively dedicated servers (deprecated)
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\centering
\includegraphics[width=115mm,trim=20mm 20mm 20mm 20mm]
    {sharkfork-cabling-1-dedicated-vlan.pdf} \\ %
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    \vspace{0.2cm}
\raggedright
    Second stage. Dedicated servers along with a colocation
    cabinet. Flat hierarchy. (deprecated)

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    In progress, services were being migrated one after another to
    a colocation instance. On the next stage hierarchy becomes vertical. \\
    \vspace{0.1cm}
\centering
\includegraphics[width=115mm,trim=20mm 20mm 20mm 20mm]
    {sharkfork-cabling-2-mixed-vlan.pdf} \\ %
%
\raggedright
    Third stage. Dedicated servers buffered by
    a colocation cabinet. Vertical hierarchy. (deprecated)
    \vspace{0.4cm}
\centering
\includegraphics[width=115mm,trim=20mm 20mm 20mm 20mm]
    {sharkfork-cabling-3-colo-dedicated.pdf} \\ %
%
    \vspace{0.2cm}
\raggedright
    Fourth stage. Dedicated servers discarded.
    Colocation cabinet buffered only with a firewall. (current)
    \vspace{0.4cm}
\centering
\includegraphics[width=115mm,trim=20mm 20mm 20mm 20mm]
    {sharkfork-cabling-4-final-colocation.pdf} \\ %
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    \vspace{0.2cm}
\raggedright
    Final stage. Firewall discarded. Single colocation cabinet. (in process)
    \vspace{0.4cm}
\centering
%\includegraphics[width=115mm,trim=10mm 10mm 10mm 10mm]
    %{sharkfork-cabling-4-single-colocation.pdf} \\ %
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\raggedright