What Is Edge Computing?
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What Is Edge Computing?
Edge computing means processing data close to where it is generated — on a local device, gateway or nearby server — instead of sending everything to a distant cloud data centre first. Rather than a camera, sensor or machine sending raw data across the internet and waiting for a response, an "edge" device does the initial processing right there, only sending summarised results or exceptions onward.
How Edge Computing Works
In an edge setup, small local servers or smart devices run the analysis that would otherwise happen in the cloud: a CCTV system might detect motion or recognise a face on-site, a factory sensor might flag an abnormal vibration reading, and only the relevant alert travels back to central systems. This dramatically cuts the round-trip time (latency), reduces the bandwidth needed, and lets systems keep working even if the internet connection drops temporarily.
Why Businesses Use It
Businesses use edge computing wherever speed, reliability or bandwidth cost matter — retail CCTV and access control, factory floor monitoring, remote branch offices, and IoT sensor networks are common examples. It also helps with data privacy, since sensitive footage or readings can be filtered or anonymised locally before anything leaves the site, and it keeps critical operations running even during a network or cloud outage.