DIS Data Dictionary - PDU Data

Current standard: IEEE 1278.1

Acknowledge PDU

Size: 256
Description: The acknowledgment of the receipt of a Start/Resume PDU, Stop/Freeze PDU, Create Entity PDU, or a Remove Entity PDU shall be communicated by issuing an Acknowledge PDU. The Acknowledge PDU shall contain the following fields:

a) Simulation Management PDU Header - These fields shall identify the PDU header information, the originating entity, and the intended receiving entity. The Simulation Management PDU Header shall be represented by the Simulation Management PDU Header Record described in 5.3.29.
b) Acknowledge Flag - This field shall indicate what type of message has been acknowledged. This field shall be represented by a 16-bit enumeration (see Section 7 in EBV-DOC).
c) Reponse flag - This field shall indicate whether or not the receiving entity was able to comply with the request, and for what reason. This field shall be represented by a 16-bit enumeration (see Section 7 in EBV0DOC).
d) Request ID - This field shall identify the matching response to the specific a Start/Resume, Stop/Freeze, Create Enttiy, or Remove Entity PDU sent by the simulation manager. This field shal be represented by a 32-bit unsigned integer.

The Acknowledge PDU is represented in Table 46.

PDU Components:

Item Name	Bit Length	Opt	Opt Ctl	Rpt	Rpt Ctl
PDU Header Record	96
Originating Entity ID Record	48
Receiving Entity ID Record	48
Acknowledge Flag Field	16
Response Flag Field	16
Request ID Field	32

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