[freehaven-cvs] more on why alice can"t traceroute

[feamster@seul.org (Nick Feamster)]

Update of /home/freehaven/cvsroot/doc/routing-zones
In directory moria.mit.edu:/tmp/cvs-serv1923

Modified Files:
	routing-zones.tex 
Log Message:
more on why alice can't traceroute



Index: routing-zones.tex
===================================================================
RCS file: /home/freehaven/cvsroot/doc/routing-zones/routing-zones.tex,v
retrieving revision 1.71
retrieving revision 1.72
diff -u -d -r1.71 -r1.72
--- routing-zones.tex	17 Jun 2004 07:27:48 -0000	1.71
+++ routing-zones.tex	17 Jun 2004 18:49:24 -0000	1.72
@@ -476,7 +476,12 @@
 tables at that node may be unavailable or difficult to obtain covertly,
 and a traceroute from candidate exit node to the destination is also
 likely to engender suspicion (this approach will not work anyway if the
-node has been compromised).
+node has been compromised).  Finally, without access to a host at the
+destination node, Alice will be unable to run a traceroute from the
+destination node to her chosen exit node (i.e., the path that traffic
+from the destination to Alice will traverse): in this case, 
+Alice can only discover the AS-level path from the destination to her
+chosen exit node using passive inference techniques.
 
 Because of these shortcomings, Alice must be able to {\em passively}
 determine the AS-level path (or a reasonable approximation of it)

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