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| author | Roger Dingledine <arma@torproject.org> | 2003-10-01 01:56:46 +0000 |
|---|---|---|
| committer | Roger Dingledine <arma@torproject.org> | 2003-10-01 01:56:46 +0000 |
| commit | 84ec78bcf8d3963a155aba3ff19cf330e9e8d5be (patch) | |
| tree | 8b563a0d865cdb7d15d636b4ecf4a056f69a31f2 /doc | |
| parent | efa8e288ef7e390a40c6ab7066c7dd0378f8e6ba (diff) | |
| download | tor-84ec78bcf8d3963a155aba3ff19cf330e9e8d5be.tar.gz tor-84ec78bcf8d3963a155aba3ff19cf330e9e8d5be.zip | |
update the spec wrt choosing aci's
svn:r530
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/tor-spec.txt | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/doc/tor-spec.txt b/doc/tor-spec.txt index f4d7ed5d8c..9f6e0fdfe5 100644 --- a/doc/tor-spec.txt +++ b/doc/tor-spec.txt @@ -175,9 +175,9 @@ which reveals the downstream node. 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 @@ which reveals the downstream node. 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' |