DDS
https://www.dds-foundation.org/
Data Distribution Service 数据分发服务
a middleware standard developed by the Object Management Group (OMG)
“自动化”、“去中心化”、“面向数据”
一种发布-订阅（pub-sub）中间件标准，主要用于实时系统中设备间的数据交换。
Is more commonly used in real - time, mission - critical applications where high - performance, reliability, and low - latency communication are required.
has significant differences with MQTT
Publish - Subscribe
Publishers and Subscribers: Publishers are entities that generate and send data, while subscribers are those that receive and process the data.
Topics: Data is organized into topics. A topic is a named entity that represents a particular type of data.
Data - Centric Approach
Loose Coupling
Focus on Data
the system is designed to ensure that the right data gets to the right places at the right time, regardless of the specific software components involved.
Quality of Service (QoS) Policies
provides a rich set of QoS policies that allow users to customize the communication characteristics according to their specific requirements.