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%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
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% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
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% Document Info
\author{haraldthegrey}
\pdfinfo{
  /Title (network-topology-and-connectivity-azure.pdf)
  /Creator (Cheatography)
  /Author (haraldthegrey)
  /Subject (Network Topology and Connectivity -Azure Cheat Sheet)
}

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\noindent
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    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
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    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Network Topology and Connectivity -Azure Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{haraldthegrey} via \textcolor{DarkBackground}{\uline{cheatography.com/210542/cs/45408/}}}
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\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
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  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}haraldthegrey \\
  \uline{cheatography.com/haraldthegrey} \\
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 9th January, 2025.\\
   Updated 9th January, 2025.\\
   Page {\thepage} of \pageref{LastPage}.
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
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  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
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\begin{document}
\raggedright
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% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{2}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Network Architecture: Design Principles}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{\{\{fa-square-o\}\} {\bf{Segmentation:}} Use {\emph{VNets}} for workload separation. {\emph{Subnets}} for different applications (web, database, API). \newline % Row Count 3 (+ 3)
\{\{fa-square-o\}\} {\bf{Security:}} Apply {\emph{NSGs}} for traffic filtering. \newline % Row Count 5 (+ 2)
\{\{fa-square-o\}\} {\bf{Regional Architecture:}} Implement {\emph{Availability Zones}} for high availability. \newline % Row Count 7 (+ 2)
\{\{fa-square-o\}\}{\bf{Scalability:}} Design for automated scaling and modular structures.% Row Count 9 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
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\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Security Solutions and Standards}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{\{\{fa-square-o\}\} {\bf{Azure Firewall:}} Centralized access management. Integrates with {\emph{Azure Sentinel}}. \newline % Row Count 3 (+ 3)
\{\{fa-square-o\}\} {\bf{Network Security Groups:}} Control traffic via {\emph{IP}}, {\emph{port}}, and {\emph{protocol for subnets}} and {\emph{VMs}}. \newline % Row Count 6 (+ 3)
\{\{fa-square-o\}\} {\bf{Azure Private Link:}} Secure access via {\emph{private endpoints}}, isolated from the public internet. \newline % Row Count 9 (+ 3)
\{\{fa-square-o\}\} {\bf{Compliance Standards: }} {\emph{ISO27001}} and {\emph{NIS$^{\textrm{2}}$}} for documented security policies.% Row Count 11 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
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\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Network Connectivity: On-Premises Integration}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{VPN Gateway:}} Cost-effective secured connections with limited bandwidth. \newline % Row Count 2 (+ 2)
{\bf{ExpressRoute:}} Dedicated connection with high bandwidth and no internet dependency. \newline % Row Count 4 (+ 2)
{\bf{Scalability:}} Dynamic scaling with Azure Virtual WAN and modular extensions.% Row Count 6 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
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\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Hybrid Network Infrastructure}}  \tn
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\mymulticolumn{1}{x{8.4cm}}{\{\{fa-square-o\}\} {\bf{Architecture Components:}} On-Premises Datacenter linked via {\emph{VPN Gateway}} or {\emph{ExpressRoute}}. \newline % Row Count 3 (+ 3)
\{\{fa-square-o\}\} {\bf{Firewalls:}} Local security segmentation and Azure integration. \newline % Row Count 5 (+ 2)
\{\{fa-square-o\}\} {\bf{Security Mechanisms:}} Use Private Link for secure traffic; monitor via {\emph{Azure Monitor}}.% Row Count 8 (+ 3)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
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\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Regional Network Infrastructure}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{\{\{fa-square-o\}\} {\bf{Regions:}} Select nearest {\emph{Azure region}} to minimize latency; use multiple for redundancy. \newline % Row Count 3 (+ 3)
\{\{fa-square-o\}\} {\bf{Availability Zones:}} Protect against datacenter-level failures. \newline % Row Count 5 (+ 2)
\{\{fa-square-o\}\} {\bf{Documentation:}} Keep security and network topology updated.% Row Count 7 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
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\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Best Practices}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{\{\{fa-square-o\}\} {\bf{Monitoring:}} Utilize {\emph{Azure Monitor}} and {\emph{Log Analytics}} for insights. \newline % Row Count 2 (+ 2)
\{\{fa-square-o\}\} {\bf{Updates:}} Regularly revise policies per {\emph{ISO27001}} and {\emph{NIS$^{\textrm{2}}$}} standards.% Row Count 4 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
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\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Example Architecture}}  \tn
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\mymulticolumn{1}{x{8.4cm}}{\{\{fa-square-o\}\} {\bf{Connectivity:}} On-Premises VPN Gateway ↔ {\emph{Azure VPN Gateway}}. \newline % Row Count 2 (+ 2)
\{\{fa-square-o\}\} {\bf{Redundancy:}} {\emph{Primary}} and {\emph{Secondary Regions}} configured. \newline % Row Count 4 (+ 2)
\{\{fa-square-o\}\} {\bf{Security:}} {\emph{Azure Firewall}} and {\emph{NSGs}} filter traffic.% Row Count 6 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
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\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Connections Overview}}  \tn
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\mymulticolumn{1}{x{8.4cm}}{} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\mymulticolumn{1}{x{8.4cm}}{\{\{fa-square-o\}\} Use VPN for secure connections or {\emph{ExpressRoute}} for dedicated bandwidth. \newline \{\{fa-square-o\}\} Prioritize security through {\emph{AZs}} and {\emph{NSGs}}.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
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\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Key Metrics to Monitor}}  \tn
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\mymulticolumn{1}{x{8.4cm}}{\{\{fa-square-o\}\} {\bf{Performance:}} Check bandwidth and latency for both {\emph{VPN}} and {\emph{ExpressRoute}}. \newline % Row Count 2 (+ 2)
\{\{fa-square-o\}\} {\bf{Usage:}} Analyze traffic patterns with {\emph{Azure Monitor.}}% Row Count 4 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}