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[or-cvs] update the spec wrt choosing aci"s



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

Modified Files:
	tor-spec.txt 
Log Message:
update the spec wrt choosing aci's


Index: tor-spec.txt
===================================================================
RCS file: /home/or/cvsroot/doc/tor-spec.txt,v
retrieving revision 1.32
retrieving revision 1.33
diff -u -d -r1.32 -r1.33
--- tor-spec.txt	26 Sep 2003 18:28:32 -0000	1.32
+++ tor-spec.txt	1 Oct 2003 01:56:46 -0000	1.33
@@ -175,9 +175,9 @@
          open a new connection to that router.
 
       3. Choose an ACI not already in use on the connection with the
-         first router in the chain.  If our address/port pair is
-         numerically higher than the address/port pair of the other
-         side, then let the high bit of the ACI be 1, else 0.
+         first router in the chain.  If we are an onion router and our
+         nickname is lexicographically greater than the nickname of the
+         other side, then let the high bit of the ACI be 1, else 0.
 
       4. Send a CREATE cell along the connection, to be received by
          the first onion router.
@@ -202,8 +202,9 @@
 
    When an onion router receives an EXTEND relay cell, it sends a
    CREATE cell to the next onion router, with the enclosed onion skin
-   as its payload.  The initiating onion router chooses some random
-   ACI not yet used on the connection between the two onion routers.
+   as its payload.  The initiating onion router chooses some ACI not
+   yet used on the connection between the two onion routers.  (But see
+   section 4.3. above, concerning choosing ACIs.)
 
    As an extension (called router twins), if the desired next onion
    router R in the circuit is down, and some other onion router R'