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2.1.1 Transmitting Messages and Boxcars

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Every message in MSDTC Connection Manager: OleTx Multiplexing Protocol (CMP) is an extension of the MESSAGE_PACKET structure specified in section 2.2.2. When any event causes an implementation of this protocol to send a message, an implementation of this protocol MUST place this message in a boxcar. Boxcars are represented conceptually as Boxcar objects in the abstract data model (section 3.1.1.2); adding a message to a boxcar is represented conceptually as adding a message to the end of the Message List in a Boxcar object. For more information about Boxcar objects in the abstract data model, see section 3.1.1.2. For more information about processing boxcars, see section 3.1.5.