Use Cases Time Sensitive Networks

Time Sensitive Networks

A time-sensitive network (TSN) is a set of Ethernet standards that will allow time-synchronized low latency streaming services through 802 networks. TSN delivers mechanisms to create distributed, synchronized, hard real-time systems over standard Ethernet. These systems use the same infrastructure to provide real-time control and communicate all standard IT data, powering convergence of control, measurement, configuration, UI and file exchange infrastructure.

Time-Sensitive Networks (TSN) operate in a manufacturing ecosystem of applications. TSN enable a standard, single, open network infrastructure supporting multi-vendor interoperability and integration.

They are used to support real-time control and synchronization of high performance machines over a single, standard Ethernet network, supporting multi-vendor interoperability and integration.

 

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IIC - Time Sensitive Networking (TSN) Testbed
IIC - Time Sensitive Networking (TSN) Testbed
Manufacturing operations requires tight coordination of sensing and actuation to safely and efficiently perform closed loop control. Typically these systems have been deployed using non-standard network infrastructure or air-gapped (unconnected) standard networks. This approach leaves devices and data much harder to access and creates a technical barrier to IIoT which is predicated on the ability to consume data anywhere throughout the infrastructure.
Ursalink Secures Internet Connection on Remote Monitoring for PLCs
Ursalink Secures Internet Connection on Remote Monitoring for PLCs
Staff working in the office needs access to industrial production management in remote fieldsNeed a fast and secure network that would provide the speed and reliability to underpin their time-critical operations
An In-Depth Look Into Helium's Decentralized Machine Network
An In-Depth Look Into Helium's Decentralized Machine Network
The Internet of Things is an $800 billion industry, with over 8.4 billion connected devices online, and spending predicted to reach nearly $1.4 trillion by 2021 [1]. Most of these devices need to connect to the Internet to function. However, current solutions such as cellular, WiFi, and Bluetooth are suboptimal: they are too expensive, too power hungry, or too limited in range.

The time-sensitive networking market is expected to be worth USD 0.6 billion by 2024, at a CAGR of 53.8% considering that it will get commercialized by 2019.

Source: Markets and Markets

What is the business value of this IoT use case and how is it measured?
Your Answer

What are the industrial benefits of TSN vs. Existing Methods? 

Improvements to standard Ethernet through support of Time Sensitive Networking will provide new capabilities that will benefit industrial applications:

- Open standard through the IEEE 802: this assures vendor neutrality and continued investment by silicon and infrastructure vendors.

- Convergence: IIoT requires that any part of a distributed system can access data. Since much of an IIoT system exists within IT (servers and the cloud), this creates the need for a converged, synchronized network on unified buses. With existing networks using disparate buses, it is difficult to get data to the IT systems in a flexible, scalable way.  

- Improved Asset Utilization: production uptime can be increased through more complete system monitoring coverage and real-time delivery of systems status and events.

- Reduced Implementation Costs: TSN promises to reduce implementation costs and to simplify network infrastructure. One reason for this is that Ethernet is used so broadly in numerous different markets. This assures silicon availability over the long term, continued technology updates, and amortized development costs.   

- Reduced Development Lifecycle: higher system composability provides the ability to more easily upgrade subcomponents while retaining existing sub-systems.

- Increased Flexibility: the ability to integrate new features and functions to augment existing systems.

- Enhanced Security: historically control networks had little to no built-in security. This creates a large vulnerability as has been demonstrated in high publicity cases such as Stuxnet and in-vehicle hacking.  Because TSN uses standard Ethernet, the security mechanisms already deployed in IT networks can be applied to control networks with TSN.

 

What business, integration, or regulatory challenges could impact deployment?
Your Answer

What challenges does Time Sensitive Networking have to overcome?

- Refresh cycles for switches before stipulated time: with TSN in place, enterprise switches have a seven to ten-year refresh cycle only. Even if the switches remain functional, a mid-cycle refresh with TSN will prove cost-prohibitive.

- Network ownership: traditionally, it is the line of business that owns the OT network. This is because of the proprietary equipment and protocols. However, with TSN, you will be required to transfer the ownership to the IT organization.

 

- Unjustified cost premiums: organizations would be tempted to go for alternative technologies available at competitive prices or stay with the traditional Ethernet.

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