What’s the Difference Between Traditional and Hosted VPNs? (.PDF Download)

Connecting programmable logic controllers (PLCs), human machine interfaces (HMIs), and other automation system components to the Industrial Internet of Things (IIoT) for remote access is important for many manufacturing plants, and to the machine builders providing equipment and services to these plants. In the past, remote access was often accomplished via a router without a virtual private network (VPN), but these router-only connections to the internet should not be implemented today due

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