# OMG DDS

Protocols · `DDS` · verification: source checked

DDS is the Object Management Group's Data Distribution Service specification. It defines a Data-Centric Publish-Subscribe (DCPS) model with application interfaces and communication semantics, including behavior and quality of service, for delivering information from producers to matching consumers. This record covers version 1.4, published March 2015.

## Specification

| Property | Value |
|---|---|
| Transports | other |
| Architecture | publish subscribe |
| Encoding | binary |
| Standard body | Object Management Group |
| Standard ref | DDS 1.4 |

## Study notes

- Version 1.4 is a formal specification published in March 2015.
- The specification defines both APIs and communication semantics for a Data-Centric Publish-Subscribe (DCPS) model.
- Normative machine-readable IDL documents listed are dds_dcps.idl (OMG file ID ptc/06-04-11) and dds_dlrl.idl (ptc/06-04-12).
- Previous formal versions listed are 1.2 (December 2006), 1.1 (December 2005), and 1.0 (December 2004).
- The source set also contains DDSI-RTPS 2.5, a separate DDS Interoperability Wire Protocol specification, which is not part of this DDS record.

## Sources

1. [About the Data Distribution Service Specification Version 1.4](https://www.omg.org/spec/DDS/) (accessed 2026-10-25)
2. [About the DDS Interoperability Wire Protocol Specification Version 2.5](https://www.omg.org/spec/DDSI-RTPS/) (accessed 2026-10-25)

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