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== Architecture ==
=== Model ===
DDS is a networking [[middleware]] that simplifies complex [[computer network programming|network programming]]. It implements a [[publish–subscribe pattern]] for sending and receiving data, events, and commands among the [[node (networking)|node]]s. Nodes that produce information (publishers) create "topics" (e.g., temperature, ___location, pressure) and publish "samples". DDS delivers the samples to subscribers that declare an interest in that topic.
DDS handles transfer chores: message addressing, [[serialization|data marshalling and demarshalling]] (so subscribers can be on different platforms from the publisher), delivery, flow control, retries, etc. Any node can be a publisher, subscriber, or both simultaneously.
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