[freehaven-cvs] add a footnote about why we did our analysis using t...

[feamster@seul.org (Nick Feamster)]

Update of /home/freehaven/cvsroot/doc/routing-zones
In directory moria.mit.edu:/tmp/cvs-serv3090

Modified Files:
	routing-zones.tex 
Log Message:
add a footnote about why we did our analysis using this passive technique



Index: routing-zones.tex
===================================================================
RCS file: /home/freehaven/cvsroot/doc/routing-zones/routing-zones.tex,v
retrieving revision 1.70
retrieving revision 1.71
diff -u -d -r1.70 -r1.71
--- routing-zones.tex	17 Jun 2004 07:18:45 -0000	1.70
+++ routing-zones.tex	17 Jun 2004 07:27:48 -0000	1.71
@@ -574,8 +574,15 @@
 
 Given both a model for how anonymizing networks select nodes and a way
 to estimate the AS-level path between two arbitrary hosts on the
-Internet, we can determine the complete set of ASes that a typical mix
-network path traverses.  
+Internet, Alice can determine the complete set of ASes that a typical
+mix network path traverses using only passive techniques.\footnote{We
+performed our analysis in Section~\ref{sec:results} using this passive
+technique because we could not run traceroutes between the
+Mixmaster nodes, and we wanted to directly compare the Tor and Mixmaster
+networks. As part of our future work, we plan to use {\tt 
+traceroute} to measure pairwise paths on the Tor network and compare the
+accuracy AS-level estimations that Alice would make using this technique
+against the ``ground truth''.}
 %For example, we can determine if a mix network
 %path will traverse the same AS twice (i.e., at two different hops along
 %the mix path).  We can also determine whether a mix network path
@@ -1053,7 +1060,8 @@
 \end{center}
 \end{scriptsize}
 \caption{Location independence for typical sending and receiving
-  ASes for the {\bf Tor} network topology.  Each entry shows, for a
+  ASes for forward (and reverse) paths in the {\bf Tor} network
+  topology.  Each entry shows, for a 
   sender/receiver pair, the probability that a single AS will
   observe both the path from the sender to the entry node and the path
   from the exit node to the receiver.  Names for each AS are listed in
@@ -1223,7 +1231,8 @@
 \end{center}
 \end{scriptsize}
 \caption{Location independence for typical sending and receiving
-  ASes through the {\bf Mixmaster} anonymity network topology.  
+  ASes for forward (and reverse) paths through the {\bf Mixmaster}
+  anonymity network topology.   
 %Each table
 %  entry shows, for a sending and receiving AS pair, the probability that
 %  a single AS will observe both the path from the sender to the entry

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