\begin{thebibliography}{1}

\bibitem{CLICK-PROJECT}
{The Click Modular Router Project}.
\newblock http://www.read.cs.ucla.edu/click/.

\bibitem{xorp:fea}
{XORP Forwarding Engine Abstraction}.
\newblock XORP technical document.
\newblock http://www.xorp.org/.

\bibitem{xorp:multicast_arch}
{XORP Multicast Routing Design Architecture}.
\newblock XORP technical document.
\newblock http://www.xorp.org/.

\end{thebibliography}
