The Internet of Things and increasing network bandwidths are significantly changing the way applications are designed. Edge and fog computing provide extremely powerful server technology at the edge of the Industrial Internet of Things (IIoT). Server-on-Modules from congatec with Intel® Xeon® processor technology target precisely this application field.
Bringing clarity to nebulous terminology
Edge servers are deployed on the verges of the Internet. Because they perform important tasks for the network as well as the local applications, they are – in addition to IoT gateways – the most important building block for the IIoT. Fog computers fulfill very similar functions. But what exactly is fog computing? The term was coined in analogy to cloud servers: In contrast to clouds, fog settles in the valley. Clouds are high up in the network, fogs are low down at the local IIoT level. Unlike edge servers, fog servers add real-time virtualization across multiple systems to the picture. So, fog servers provide a highly reliable and – depending on the design – real-time capable local infrastructure for the Internet of Things.
In addition to the bridge functions of gateways, edge and fog servers also provide complete control and management of applications locally.
Client/server computing in the IoT era
Unlike IoT gateways, edge/fog servers don’t just function as a bridge, but provide complete control and management functionality for the local applications, which are built by the servers and the slim clients, i.e. smart sensors and all types of devices.
Read more why would one need such a local IIoT infrastructure with edge and fog servers.
Measuring 125mm x 95mm, edge/fog server designs with Server-on-Modules have an extremely compact footprint.
Server-on-Modules have a lot going for them
Server-on-Modules differ from traditional Computer-on-Modules in processor type, feature set, power and performance class. Advanced Server-on-Modules provide powerful server-class tools to help manage distributed IoT, M2M and Industry 4.0 applications, making them the perfect fit for many devices connected via edge or fog servers. Providing server-class remote management and an integrated baseboard management controller with watchdog timer and power loss control, these modules are ideal for remote monitoring, management and maintenance tasks including out-of-band management – a must for industrial server technology, if it is to offer high reliability.
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