DIS Data Dictionary - PDU Data

Created by JDBE at Ft. Huachuca, Arizona

Current standard: IEEE 1278.1


Resupply Offer PDU

Size: 320
Description: The offering of supplies shall be communicated by issuing a Resupply Offer PDU. The Resupply Offer PDU shall contain the following fields:

a) PDU Header - This field shall contain data common to all DIS PDUs. The PDU Header shall be represented by the PDU Header Record (see 5.3.24).
b) Receiving Entity Identification - This field shall identify the receiving entity. This field shall be represented by an Entity Identifier Record (see 5.3.14).
c) Supplying Entity Identification - This field shall identify the supplying entity. This field shall be represented by an Entity Identifier Record (see 5.3.14).
d) Number of Supply Types - This field shall specify the number of different supply types being offered. This field shall be represented by an 8-bit unsigned integer. The maximum number of Supply Quantity Records in a Resupply Offer PDU is a function of the maximum PDU size specified in the Standard for Distributed Interactive Simulation - Communication Services and Profiles, and is defined as follows
n(max) = (Max PDU size - 224) / 96
n(max) = 114 for the current communication architecture standard.
e) Supplies - This field shall specify the type of supply and the amount of that supply for each of the supply types specified above. This field shall not be present if the Number of Supply Types field value is zero. This field shall be represented by a Supply Quantity Record (see 5.3.30).

The Resupply Offer PDU is represented in Table 37.

PDU Components:

Item Name Bit Length Opt Opt Ctl Rpt Rpt Ctl
PDU Header Record 96
Receiving Entity ID Record 48
Supplying Entity ID Record 48
Number of Supply Types Field 8
Padding - 24bit Field 24
Supplies Record 96 Yes Number of Supply Types

For questions regarding the content of the DIS Data Dictionary,
please contact Jeff Wicks, jwicks@ist.ucf.edu

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Generated by the DIS Data Dictionary