acknowledges this request, and, after retrieving the values, sends them back
to the client. Afterwards, both sides close their streams.
-\input{fig-example-xmpp-stream.tex}
+\begin{figure}[h!]
+ \centering
+ \input{fig-example-xmpp-stream.tex}
+ \caption{Example XMPP stream with sensor data (XEP-0323)}
+ \label{fig:examplexmpp}
+\end{figure}
\paragraph{Control (XEP-0325)~\cite{xep0325}} In this document, a way of
controlling sensor nodes is specified, which allows a client to get and set