\end{enumerate}\r
\r
\textbf{Data Structure on Server}\r
+\note{Define server state as an appropriate tuple and then give pseudocode here for updating that tuple...}\r
\begin{enumerate}\r
\item Server maintains a finite length $q$-entry FIFO queue \r
$Q=\{0, 1, …, q-1\}$. It has a head and a tail pointers that keep track \r