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Introduction to Industry 4.0 · Module 03: communication protocols · Lesson
Every piece of data that leaves a sensor and reaches a system goes through several communication steps. The OSI model organizes those steps into seven layers, from the bit on the wire to the application the user opens, and it is the map the rest of this module uses.
In this lesson
- Physical, data link and network: the bit on the medium, the MAC address and IP routing
- Transport and session: TCP, UDP, and how a connection is opened, kept and closed
- Presentation and application: encryption, compression, and protocols such as HTTP, SMTP and FTP