The following terms are defined in [MS-GLOS]:
protocol data unit (PDU)
User Datagram Protocol (UDP)
The following terms are specific to this document:
audio format: A data structure used to define waveform-audio data. The actual structure of individual formats is opaque to this protocol. For more information, see [MSDN-AUDIOFORMAT].
dynamic virtual channel: A transport used for communication between a client and a server component over a main data connection as specified in [MS-RDPEDYC].
MAY, SHOULD, MUST, SHOULD NOT, MUST NOT: These terms (in all caps) are used as specified in [RFC2119]. All statements of optional behavior use either MAY, SHOULD, or SHOULD NOT.