2.2.3.1 PDU Segments
A PDU can be viewed as having several different segments. These segments are as follows:
PDU Header: This is the header section of the PDU, as specified in [C706] section 12.
PDU Body: This is the body section of the PDU, as specified in [C706] section 12.
sec_trailer_cl Structure: The structure specified in section 2.2.3.4.
Authentication Token: The authentication token BLOB of the PDU, as specified in section 2.2.3.5.
Figure 5: PDU structure
