[or-cvs] add a paragraph that should have been there

[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:
add a paragraph that should have been there


Index: tor-design.tex
===================================================================
RCS file: /home/or/cvsroot/doc/tor-design.tex,v
retrieving revision 1.120
retrieving revision 1.121
diff -u -d -r1.120 -r1.121
--- tor-design.tex	5 Nov 2003 06:00:44 -0000	1.120
+++ tor-design.tex	10 Nov 2003 23:10:42 -0000	1.121
@@ -936,7 +936,7 @@
 
 \textbf{Stream-level throttling}:
 The stream-level congestion control mechanism is similar to the
-circuit-level mechanism above. ORs and OPs use \emph{relay sendme} cells
+circuit-level mechanism. ORs and OPs use \emph{relay sendme} cells
 to implement end-to-end flow control for individual streams across
 circuits. Each stream begins with a packaging window (currently 500 cells),
 and increments the window by a fixed value (50) upon receiving a \emph{relay
@@ -949,6 +949,11 @@
 Currently, non-data relay cells do not affect the windows. Thus we
 avoid potential deadlock issues, for example, arising because a stream
 can't send a \emph{relay sendme} cell when its packaging window is empty.
+
+These arbitrarily chosen parameters 
+%are probably not optimal; more
+%research remains to find which parameters 
+seem to give tolerable throughput and delay; more research remains.
 
 \Section{Other design decisions}