DIS Data Dictionary - PDU Data

Current standard: IEEE 1278.1

Action Request PDU

Size: 448
Description: A request from an SM to a managed entity to perform a specified action shall be communicated using an Action Request PDU. The Action Request PDU shall consist of the following fields:

a) Simulation Management PDU Header - These fields shall identity 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) Request ID - This field shall identify the request being made by the simulation manager. This field shall be represented by a 32-bit unsigned integer.
c) Action ID - This field shall specify the particular action that is requested by the simulation manager. This field shall be represented by a 32-bit enumeration (see Section 7 in EBV-DOC).
d) Datum Information - This field shall specify the types of datum and the value of the datum to be communicated. This field shall be represented by a Datum Specification Record (see 5.3.10).

The Action Request PDU is represented in Table 47.

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
Request ID Field	32
Action ID Field	32
Number of Fixed Datum Records Field	32
Number of Variable Datum Records Field	32
Fixed Datum Record Record	64	Yes	Number of Fixed Datums	Yes	Number of Fixed Datums
Variable Datum Record Record	64	Yes	Number of Variable Datums	Yes	Number of Variable Datums

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