- \def\nodelist{
- juliet/{(-1,-1)}/XMPP client \code{juliet@example.net}/below/computer,
- examplenet/{(-1,1)}/XMPP server \code{example.net}/above/server,
- imexampleorg/{(1,1)}/XMPP server \code{im.example.org}/above/server,
- romeo/{(1,-1)}/XMPP client \code{romeo@im.example.org}/below/computer%
- }
- \foreach \name/\pos/\text/\tpos/\icon in \nodelist {
- \node (\name) at \pos { \includegraphics[width=1cm]{icon-\icon.pdf} };
- \node[\tpos=of \name,iconlabel] (\name text) { \text };
- }
- \draw[<->,dashed] (juliet) -- node[anchor=east,label]{s2c} (examplenet);
- \draw[<->] (examplenet) -- node[anchor=south,label]{s2s} (imexampleorg);
- \draw[<->,dashed] (imexampleorg) -- node[anchor=west,label]{s2c} (romeo);