[or-cvs] directories are signed so they can be cached elsewhere

[arma@seul.org (Roger Dingledine)]

Update of /home/or/cvsroot/doc
In directory moria.mit.edu:/home2/arma/work/onion/cvs/doc

Modified Files:
	tor-design.tex 
Log Message:
directories are signed so they can be cached elsewhere


Index: tor-design.tex
===================================================================
RCS file: /home/or/cvsroot/doc/tor-design.tex,v
retrieving revision 1.18
retrieving revision 1.19
diff -u -d -r1.18 -r1.19
--- tor-design.tex	23 Oct 2003 11:45:51 -0000	1.18
+++ tor-design.tex	24 Oct 2003 03:39:14 -0000	1.19
@@ -679,6 +679,12 @@
 specification \cite{tor-spec}.
 % we should, uh, add this to the spec. oh, and write it. -RD
 
+Because the directories are signed, they can be cached at all the other
+onion routers (or even elsewhere). Thus directory servers are not a
+performance bottleneck when we have many users, and also they won't
+aid traffic analysis by forcing clients to periodically announce their
+existence to any central point.
+
 \Section{Rendezvous points: location privacy}
 \label{sec:rendezvous}