Technology The fog computing reference architecture solves performance challenges in advanced digital deployments in IoT, 5G and artificial intelligence including the control of performance, latency and network efficiency. The relationship between the cloud and fog computing is that they are on a mutually beneficial, inter-dependent continuum. 24 industrial ethernet book 4.2017 SOURCE: OPENFOG CONSORTIUM Reference architecture defines fog computing communications The OpenFog Reference Architecture release 1.0 defines communications between the cloud and the IoT, 5G and artificial intelligence. It is a critical architecture for today’s connected world as it enables low latency, reliable operation and removes the requirement for persistent cloud connectivity. FOG COMPUTING IS THE MISSING LINK in the cloud-to-thing continuum. It is a critical architecture for today’s connected world as it enables low latency, reliable operation, and removes the requirement for persistent cloud connectivity to address emerging use cases in Internet of Things (IoT), 5G, Artificial Intelligence (AI), Virtual Reality and Tactile Internet applications. Fog computing overview Fog architectures selectively move compute, storage, communication, control, and decision making closer to the network edge where data is being generated in order to solve the limitations in current infrastructure to enable mission-critical, data-dense use cases. The OpenFog’s definition of fog computing is “a horizontal, system-level architecture that distributes computing, storage, control and networking functions closer to the users along a cloud-to-thing continuum.” Fog computing is an extension of the traditional cloud-based computing model where implementations of the architecture can reside in multiple layers of a network’s topology. These extensions to the fog retain all the benefits of cloud computing, such as containerization, virtualization, orchestration, manageability, and efficiency. The fog computing model moves computation from the cloud closer the edge, and potentially right up to the IoT sensors and actuators. The computational, networking, storage and acceleration elements of this new model are known as fog nodes. They comprise a fluid system of connectivity and are not completely fixed to the physical edge. OpenFog reference architecture The OpenFog Consortium was founded on the principle that an open fog computing architecture is necessary in today’s increasingly connected world. Through an independently-run open membership ecosystem of industry, end users and universities, we can apply a broad coalition of knowledge to these technical and market challenges. We believe that proprietary or single vendor fog solutions can limit supplier diversity and ecosystems, resulting in a detrimental impact on market adoption, system cost, quality and innovation. The OpenFog Reference Architecture (OpenFog RA) is a medium- to high-level view of system architectures for fog nodes and networks. It is the result of a broad collaborative effort of its independently-run open membership ecosystem of industry, technology and university/research leaders. It was created to help business leaders, software developers, silicon architects and system designers create and maintain the hardware, software and system elements necessary for fog computing. It enables fog-cloud and fog-fog interfaces.
Industrial Ethernet Book 99
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