NIST has launched a Smart City Program. Smart Cities are an example of CPS System of Systems (SoS) applications. Modeling CPS SoS requires an extension of current Big Data, CPS, and Cloud Reference Architectures. Some possibilities include
- Extending the Big Data Reference Architecture to recursively handle the multilayer SoS processing of large data flows from devices through intermediate nodes (e.g. Fog) to Cloud.
- Extending the CPS Framework from Discrete CPS to Interacting Systems and System of Systems
- Extending the Cloud Reference Architecture (e.g. Delivery Models) to CPS resources including data sources, devices, and intermediate nodes. See examples of PaaS for IoT
I have described some of these issues in a presentation on Reference Architectures for Layered CPS SoS . The growing interest in Smart X applications will make the extension of NIST’s current Reference Architectures useful to many stakeholders.