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Diffstat (limited to 'doc/protocol.mdwn')
| -rw-r--r-- | doc/protocol.mdwn | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/doc/protocol.mdwn b/doc/protocol.mdwn index 2c4887e..94f4ee1 100644 --- a/doc/protocol.mdwn +++ b/doc/protocol.mdwn @@ -107,3 +107,13 @@ The prevActivity and prevEntered hashes are actually not included in the data sent across the wire. They are left out to save space, and get added back in by the receiver. The receiver uses the signature of the message to tell when it's found the right hashes to add back in. + +## protocol versioning + +The SessionKey control messages include a field for the protocol version. +Since the user starts by sending a SessionKey, the included version +specifies the protocol version used by the rest of the protocol. When +developers connect, their clients will need to check that version, +and avoid sending any messages using features from a later version. + +The current protocol version is "1". |