Transitioning from local Industrial Internet of Things (IIoT) pilots to full-scale production often presents significant challenges. The primary barriers include a lack of standardization, the risks of connecting legacy equipment, and inefficient workload distribution between edge devices and the cloud.
Edge vs. cloud architecture and workload distribution
To prevent network congestion and optimize data storage costs, a three-tier processing model is used:
- Device tier: Direct collection of physical parameters using sensors.
- Edge computing: Local primary filtering, aggregation, and normalization of data for real-time response without latency.
- Cloud tier: Long-term storage, analytics, and integration with enterprise ERP/MES systems.
Legacy equipment integration and cybersecurity
To securely connect legacy equipment, industrial Edge Gateways are used to convert proprietary protocols into the universal OPC UA standard. This prevents downtime in continuous industrial processes.
In operational technology (OT), according to NIST SP 800-82 guidelines, data availability and integrity take priority over confidentiality. The fundamental security method is the segmentation of IT and OT networks using a demilitarized zone (DMZ) in compliance with ISA/IEC 62443 standards.
Device lifecycle automation
Scaling requires automated provisioning and firmware over-the-air (FOTA) updates. The device lifecycle must include automated bootstrapping, centralized configuration, health monitoring, and secure decommissioning.
At the enterprise level, IIoT data is integrated into business processes. For instance, solutions based on the UnityBase platform allow combining telemetry with document management and asset management systems, ensuring audit trails and access control.
What is at stake for the industry
Failing to address scaling barriers can lead to severe network congestion, inflated cloud storage costs, and critical security vulnerabilities in legacy industrial equipment. Without proper integration, enterprises risk operational downtime and a failure to realize the return on investment from their IIoT initiatives.
What to do next
- Optimize architecture: Deploy a three-tier model distributing workloads between the device tier, edge computing, and the cloud to prevent latency and manage costs.
- Secure legacy systems: Use industrial Edge Gateways to convert protocols to OPC UA and segment IT/OT networks using a DMZ in compliance with ISA/IEC 62443.
- Automate management: Implement automated provisioning, FOTA updates, and integrate IIoT data into enterprise platforms like UnityBase for streamlined asset management.
Prepared by a Software Ukraine member. Original publication.