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October 2017, Vol. 6. No. 9

Fog computing is in the forecast for IoT deployments

The internet of things will demand a cloud computing architecture without well-defined boundaries. Tomorrow's cloud will need to extend beyond the walls of a service provider's data center, seeping into the business -- becoming almost pervasive via edge devices and local connection hubs. Even today, the cloud is tough to define. Take, for instance, Amazon Web Services' (AWS) Snowball Edge. It's an appliance that stores local data and transfers it to the cloud and is designed to bridge the gap between locally created data and the public cloud. According to Cisco Systems, which is usually acknowledged as the original source for the term, fog computing extends the cloud to be closer to the devices that produce and act on internet of things (IoT) data. Cisco calls these devices fog nodes and defines them as any device with compute resources, storage and network connectivity -- including traditional industrial controllers, switches, routers, embedded servers and even surveillance cameras. If that sounds a lot like edge computing, ...

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