April 27, 2021

Edge computing can be a data cache for public clouds

A data (or database) cache is a high-performance data storage layer that stores a subset of transient data so that future requests for that data are provided faster than by accessing the primary storage location of the data. In the world of edge computing, the “primary data” resides on the public cloud, and the edge device is somehow an intermediary of that data, sometimes providing decoupled data processing.

We already understand the use of edge devices as points of data processing that are closer to the producer of the data. The key advantage here is performance.

[ Also on InfoWorld: Amazon, Google, and Microsoft take their clouds to the edge ]

If the data does not have to be sent to back-end processing systems, such as on public clouds, then it can be processed immediately on the edge device. This is helpful when performance could be critical, such as shutting down a jet engine that is drastically overheating. You don’t want to check with a centralized cloud system to determine a course of action for that.

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