Time-sensitive networks are the main stage of deterministic networks to accelerate the industrial IoT revolution

The time-sensitive network (TSN) will eventually move from the concept phase to the main phase of the deterministic network. The IEEE TSN Working Group has completed the core standards required to implement TSN. The industry has developed the first products to support TSN technology and is conducting simulations and demonstrations. The widespread use of these technologies is the comprehensive industrial IoT revolution that was often discussed in the past.
The implementation of a complete time-sensitive network needs to be carried out in several stages. Companies can't just upgrade their legacy legacy systems. Although companies cannot immediately replace existing equipment, they must change the infrastructure to enable machines to communicate with each other more effectively. Many manufacturers have seen the benefits of standardized Ethernet in their operations and do not require a completely different network to support time critical and optimal Ethernet communications.

Time-sensitive networks are the main stage of deterministic networks, accelerating the industrial IoT revolution

The advantages of a time-sensitive network are twofold. First, it is based on standard Ethernet. Communication traffic on standard Ethernet (such as video and HTML) can share physical networks with high-priority deterministic Ethernet such as motion control. This is important because industrial products that require deterministic services are now part of the network, with particular attention to latency and jitter. With TSN, all devices connected to the network can be part of a proven architecture, not isolated.
Time-sensitive networks can run at any set speed at any time without stagnation. Accurate scheduling speeds up, slows down the delivery of any packet, and optimizes it. Even in the case where it accommodates more equipment, it has almost no jitter. It can receive and interpret all data at the same time, calculate the maximum time it takes to transfer before transmission, and propagate all the information seamlessly where it needs to go instead of processing each packet with the same amount of time.
This technology is indispensable because it is becoming more and more important to have a central "hub" to command all the trains and ensure that they arrive on time as more devices are connected to the network.

From concept to reality

One of the most important concepts in Industry 4.0 is the standard technology that all suppliers can operate. Instead of using more than a dozen fieldbus protocols, it would only limit the company to doing business with a supplier (or need to convert equipment), and the principles of Industry 4.0 emphasize uniform standards, allowing everyone to enter the digital age. That's why time-sensitive networks are such a valuable concept, and that's why it gets so much attention in the process of setting standards.
A more rapid transformation of technology into reality is a strong collaboration. Providers of network infrastructure must work closely with customers and automation vendors. If this kind of cooperation happens in the way that is needed, widespread use can happen within two years, and time-sensitive networks should be able to reach more potential in the next five years.
The first step in the breakthrough is to continue to adopt the OPC Unified Architecture (OPC UA). Once OPC UA integrates functionality into a framework, it should configure a time-sensitive network.

Although companies can't immediately replace existing machines, they must change the infrastructure so that machines can communicate with each other more effectively, taking advantage of TSN and IIoT.

Why is the IEEE standard important?

In many ways, the success of TSN is attributed to efficiency. This will help guide the Industrial IoT to its full potential. In addition, since the technology is based on IEEE standards, all companies can participate. This means that there are many vendors that can offer a wider range of products to support time-sensitive networks. Without such an ecosystem, there would not be a large number of companies to follow up and implement these technologies. Interoperability—essentially a standard that all vendors must adhere to—will drive the industry to develop products that support the TSN standard.
Clearly, when the IEEE TSN working group completed the core standards required to implement a time-sensitive network, the capabilities of the Industrial Internet of Things could soon be applied. With the deployment of the first batch of time-sensitive network products, we are getting closer to this reality.

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