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@@ -0,0 +1,12 @@
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+ o Infrastructure features:
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+ - Introduce new channel_t abstraction between circuits and or_connection_t
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+ to allow for implementing alternate OR-to-OR transports. A channel_t is
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+ an abstract object which can either be a cell-bearing channel, which is
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+ responsible for authenticating and handshaking with the remote OR and
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+ transmitting cells to and from it, or a listening channel, which spawns
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+ new cell-bearing channels at the request of remote ORs.
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+
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+ - Also new is the channel_tls_t subclass of channel_t, adapting it to the
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+ existing or_connection_t code. The V2/V3 protocol handshaking code
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+ which formerly resided in command.c has been moved below the channel_t
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+ abstraction layer and may be found in channeltls.c now.
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Andrea Shepard