12541-3

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12541-3 is a standard for Industrial Automation Networks developed by 3GPP, a global organization that develops open standards and protocols. It was designed to provide a secure, efficient, and reliable industrial information network for machine-to-machine (M2M) communication.

The 12541-3 standard defines the application field and working principle of Industrial Automation Networks. It allows the data interchange among industrial automation networks, such as production-dependent and -independent industrial networks.

The 12541-3 standard has four components, which are:

• Network Layer — defines the data protocol used for communication between network nodes.
• Application Layer — defines the data exchange between network nodes and applications that control the system.
• Presentation Layer — defines the translation of network messages into data formats that are suitable for different applications.
• Security Layer — defines the encryption and authentication techniques used by the system.

At the network layer, the 12541-3 standard defines how each node on the network is connected. It uses a point-to-point connection model, which means that each node is connected directly with the other node, rather than having to go through an intermediate or a routing node. Additionally, it defines the protocols used for communication, which can be either Ethernet, wired, or wireless. The standard also defines the error handling procedures that take place when there is an error in communication.

At the application layer, the 12541-3 standard defines the data exchange between applications and network nodes. It defines the data models and the procedures for exchanging data between different nodes on the network. The standard also defines the protocols used for application layer communication, which are either specific to the application or based on the ISO/OSI protocol stack.

At the presentation layer, the 12541-3 standard defines the translation of network messages into data formats that are suitable for different applications. It defines how messages should be formatted and encoded, and how they should be transmitted. It also defines the data structures and protocols used by the application layer to interpret the messages.

At the security layer, the 12541-3 standard defines the encryption and authentication techniques used by the system. It defines the different data structures and authentication techniques used by the system, and how the different nodes should interact with each other. The encrypted data is then transmitted across the network, ensuring that the confidentiality and integrity of the data is kept.

The 12541-3 standard provides an infrastructure for a secure, efficient, and reliable industrial information network. It is the basis for communication among devices and systems on industrial automation networks, and ensures that communication is secure, reliable, and efficient.

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