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The ICS/SCADA infrastructure is specifically designed for industrial control systems and supervisory control and data acquisition processes. These systems are used in critical environments such as manufacturing, power generation, and utilities, where real-time monitoring and control are essential. The nature of these environments often requires a high degree of reliability and security, with the ability to manage processes that must occur without interruption.

The ICS/SCADA architecture is optimized for managing physical processes and equipment, often in an isolated network to mitigate risks associated with external threats. This isolation helps protect sensitive data and maintains the integrity and availability of crucial operational technology components. Real-time data processing, communication with various field devices, and immediate response capabilities are inherent features of this infrastructure, making it the best fit for managing real-time processes effectively.

Other choices may provide useful functions in different contexts but are not tailored specifically for the unique requirements of real-time industrial processes. For example, secure web gateways focus on securing web traffic, virtualized server environments are more about resource management, and hybrid cloud architectures combine on-premises with cloud resources, which may not be as effective for isolated, real-time process management.