\section*{Acknowledgment}
\label{sec:acknowledgment}
+The research leading to these results has received funding from the European
+Union's Seventh Framework Programme (P2P-Next) under grant agreement no
+216217.
+
Special thanks go to the P2P-Next~\cite{p2p-next} team who is working
-enthusiastically to deliver the next generation peer-to-peer content delivery
+enthusiastically to deliver the next generation Peer-to-Peer content delivery
platform. Their dedication, professionalism and vision are a constant factor
of motivation and focus for our work.