Small changes to abstract and intro

svn:r615

doc/tor-design.tex

@@ -51,7 +51,8 @@
 
 \begin{abstract}
 We present Tor, a connection-based low-latency anonymous communication
-system which addresses many limitations in the original onion routing design.
+system. It is intended as an update and replacement for onion routing
+and addresses many limitations in the original onion routing design.
 Tor works in a real-world Internet environment,
 requires little synchronization or coordination between nodes, and
 protects against known anonymity-breaking attacks as well
@@ -76,7 +77,7 @@ is sent in fixed-size \emph{cells}, which are unwrapped by a symmetric key
 at each node, revealing the downstream node. The original onion routing
 project published several design and analysis papers
 \cite{or-jsac98,or-discex00,or-ih96,or-pet02}. While there was briefly
-a network of about a dozen nodes at three widely distributed sites,
+a wide area onion routing network,
 the only long-running and publicly accessible
 implementation was a fragile proof-of-concept that ran on a single
 machine. Many critical design and deployment issues were never implemented,
@@ -460,7 +461,7 @@ The main differences are:
   acknowledge its existence.
 
 
-\SubSubSection{Integration with user applications}
+\subsubsection{Integration with user applications}
 
 \Section{Maintaining anonymity sets}
 \label{sec:maintaining-anonymity}