\documentclass[a4paper]{article}
\usepackage[a4paper,scale=0.9]{geometry}
\usepackage{tabularx,pstricks,pst-node,pst-eps}
\newpsobject{showgrid}{psgrid}{subgriddiv=1,griddots=10,gridlabels=6pt}

% Copyright (c) 2003 by Nick Urbanik <nicku(at)vtc.edu.hk>.
% This material may be distributed only subject to the terms and
% conditions set forth in the Open Publication License, v1.0 or later
% (the latest version is presently available at
% http://www.opencontent.org/openpub/).

\begin{document}
%\layout
  %\tiny%
  \setlength{\extrarowheight}{0pt}%
  %\mbox{}
  %\medskip
\begin{TeXtoEPS}%
 %\begin{pspicture}(0,0)(18,4)%\showgrid
 \begin{pspicture}(0,0)%\showgrid
  \begin{tabularx}{\linewidth}{@{}>{\ttfamily\bfseries}lllllllll@{}}
    {\mbox{}\red{}com2sec} &
      \rnode{secnamec}{\fbox{\emph{secName}}}
    & \emph{ipSource} &
    \emph{community}\\
    & & \texttt{default}\\[0.08\textwidth]
    {\mbox{}\red{}group} &
      \rnode{groupnameg}{\fbox{\emph{groupName}}}\hspace*{2ex} & \emph{model} &
    \rnode{secnameg}{\fbox{\emph{secName}}}
    \nccurve[arrows=->,angleB=180]{secnamec}{secnameg}\\
    & & \texttt{v1} & \\
    & & \texttt{v2c} \\
    & & \texttt{usm} \\[5ex]
    {\mbox{}\red{}access} &
      \rnode{groupnamea}{\fbox{\emph{groupName}}}
      \ncline[arrows=->]{groupnameg}{groupnamea}
      & \emph{context}
    & \emph{model} & \emph{level} & \emph{prefix} &
    \emph{readScope} & \emph{writeScope} & \emph{notifyScope} \\
    & & \texttt{""} & \texttt{v1} & \texttt{noauth} & \texttt{exact} &
    \rnode{viewnamer}{\fbox{\emph{viewName}}} &
    \rnode{viewnamew}{\fbox{\emph{viewName}}} &
    \rnode{viewnamen}{\fbox{\emph{viewName}}} \\
    & & & \texttt{v2c} & \texttt{auth} & \texttt{prefix} &
    \texttt{none} & \texttt{none} &\texttt{none} \\
    & & & \texttt{usm} & \texttt{priv} \\
    & & & \texttt{any} \\[4ex]
    {\mbox{}\red{}view} & \rnode{viewnamev}{\fbox{\emph{viewName}}}
    \pnode(7,.7){joinpointb}
    \pnode(1,.7){joinpointa}
    %\nccurve[arrows=->,angleA=0,angleB=180]{viewnamev}{joinpointa}
    \nccurve[angleA=0,angleB=180]{viewnamev}{joinpointa}
    \nccurve[arrows=->,angleB=180]{joinpointa}{joinpointb}
    \nccurve[arrows=->,angleB=-90]{joinpointb}{viewnamer}
    \nccurve[arrows=->,angleB=-90]{joinpointb}{viewnamew}
    \nccurve[arrows=->,angleB=-90]{joinpointb}{viewnamen}
    & \emph{type} &
    \emph{oidSubtree} & \emph{[mask]} \\
    & & \texttt{included} \\
    & & \texttt{excluded}
  \end{tabularx}
\end{pspicture}
\end{TeXtoEPS}
\end{document}