2.2.2.4 Route Check Connection Handshake Message

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An initiator device sends this handshake message to a sink device immediately after it establishes a TCP/IP connection. This TCP/IP connection is used by the initiator device to receive the Route Check Summary message from the sink device as part of the route check probing experiment described in section 1.3. The sink device sends a Connection Handshake Success message in return if it accepts the handshake. If the sink device does not accept the handshake, it can close the TCP connection or simply ignore this message.

The Route Check Connection Handshake message has no message-specific header following the Handshake header.