\catcode`@=11
\expandafter\ifx\csname graph\endcsname\relax \alloc@4\box\chardef\insc@unt\graph\fi
\catcode`@=12
\setbox\graph=\vtop{%
  \baselineskip=0pt \lineskip=0pt \lineskiplimit=0pt
  \vbox to0pt{\hbox{%
    \special{pn 8}%
    \special{pn 20}%
    \special{pa 3250 4500}%
    \special{pa 3250 4000}%
    \special{pa 4000 4000}%
    \special{pa 4000 4500}%
    \special{pa 3250 4500}%
    \special{fp}%
    \rlap{\kern  3.625in\lower 4.291in\hbox to 0pt{\hss CLNP\hss}}%
    \rlap{\kern  3.625in\lower 5.291in\hbox to 0pt{\hss $\cdots$\hss}}%
    \rlap{\kern  2.375in\lower 5.291in\hbox to 0pt{\hss subnetwork$_{1}$\hss}}%
    \rlap{\kern  4.875in\lower 5.291in\hbox to 0pt{\hss subnetwork$_{N}$\hss}}%
    \special{pa 3625 4500}%
    \special{pa 3625 5000}%
    \special{fp}%
    \special{pa 3438 4500}%
    \special{pa 2375 5000}%
    \special{fp}%
    \special{pa 3813 4500}%
    \special{pa 4875 5000}%
    \special{fp}%
    \special{pa 3250 3500}%
    \special{pa 3250 3000}%
    \special{pa 4000 3000}%
    \special{pa 4000 3500}%
    \special{pa 3250 3500}%
    \special{fp}%
    \rlap{\kern  3.625in\lower 3.291in\hbox to 0pt{\hss TP4\hss}}%
    \special{pa 3625 4000}%
    \special{pa 3625 3500}%
    \special{fp}%
    \special{pa 250 3500}%
    \special{pa 250 3000}%
    \special{pa 1750 3000}%
    \special{pa 1750 3500}%
    \special{pa 250 3500}%
    \special{fp}%
    \rlap{\kern  1.000in\lower 3.291in\hbox to 0pt{\hss TP0 $\ldots$ TP3\hss}}%
    \special{pa 625 4500}%
    \special{pa 625 4000}%
    \special{pa 1375 4000}%
    \special{pa 1375 4500}%
    \special{pa 625 4500}%
    \special{fp}%
    \rlap{\kern  1.000in\lower 4.291in\hbox to 0pt{\hss \~{}X.25\hss}}%
    \special{pa 1000 3500}%
    \special{pa 1000 4000}%
    \special{fp}%
    \special{pa 1000 4500}%
    \special{pa 1000 5000}%
    \special{da  0.050}%
    \special{pa 0 2750}%
    \special{pa 4250 2750}%
    \special{da  0.050}%
    \rlap{\kern  4.250in\lower 2.791in\hbox to0pt{\ OSI TS\hss}}%
    \special{pa 3625 3000}%
    \special{pa 3625 2750}%
    \special{fp}%
    \special{pa 1000 3000}%
    \special{pa 1000 2750}%
    \special{fp}%
    \special{pa 250 2500}%
    \special{pa 250 2000}%
    \special{pa 4000 2000}%
    \special{pa 4000 2500}%
    \special{pa 250 2500}%
    \special{fp}%
    \rlap{\kern  2.125in\lower 2.291in\hbox to 0pt{\hss SESSION\hss}}%
    \special{pa 2125 2750}%
    \special{pa 2125 2500}%
    \special{fp}%
    \special{pa 250 1500}%
    \special{pa 250 1000}%
    \special{pa 4000 1000}%
    \special{pa 4000 1500}%
    \special{pa 250 1500}%
    \special{fp}%
    \rlap{\kern  2.125in\lower 1.291in\hbox to 0pt{\hss PRESENTATION\hss}}%
    \special{pa 2125 2000}%
    \special{pa 2125 1500}%
    \special{fp}%
    \special{pa 250 500}%
    \special{pa 250 0}%
    \special{pa 1000 0}%
    \special{pa 1000 500}%
    \special{pa 250 500}%
    \special{fp}%
    \rlap{\kern  0.625in\lower 0.291in\hbox to 0pt{\hss MHS\hss}}%
    \special{pa 625 500}%
    \special{pa 625 1000}%
    \special{fp}%
    \special{pa 1250 500}%
    \special{pa 1250 0}%
    \special{pa 2000 0}%
    \special{pa 2000 500}%
    \special{pa 1250 500}%
    \special{fp}%
    \rlap{\kern  1.625in\lower 0.291in\hbox to 0pt{\hss FTAM\hss}}%
    \special{pa 1625 500}%
    \special{pa 1625 1000}%
    \special{fp}%
    \special{pa 2250 500}%
    \special{pa 2250 0}%
    \special{pa 3000 0}%
    \special{pa 3000 500}%
    \special{pa 2250 500}%
    \special{fp}%
    \rlap{\kern  2.625in\lower 0.291in\hbox to 0pt{\hss VT\hss}}%
    \special{pa 2625 500}%
    \special{pa 2625 1000}%
    \special{fp}%
    \special{pa 3250 500}%
    \special{pa 3250 0}%
    \special{pa 4000 0}%
    \special{pa 4000 500}%
    \special{pa 3250 500}%
    \special{fp}%
    \rlap{\kern  3.625in\lower 0.291in\hbox to 0pt{\hss DS\hss}}%
    \special{pa 3625 500}%
    \special{pa 3625 1000}%
    \special{fp}%
    \kern  4.876in
  }\vss}%
  \kern  5.292in
}