Node


👉🏼 Processes that perform computation

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Master


👉🏼 Provides name registration and lookup to the rest of the Computation Graph

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Messages


👉🏼 Simply a data structure, comprising typed fields

https://s3-us-west-2.amazonaws.com/secure.notion-static.com/711080de-8ef4-4e2a-91c9-110d464207f3/Untitled.png

std_msgs에 있는 메시지의 리스트

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Parameter Server


👉🏼 It allows data to be stored by key in a central location