Edge
computing is a networking philosophy focused on bringing computing as close to
the source of data as possible in order to reduce latency and bandwidth use.
In
simpler terms, edge computing means running fewer processes in the cloud and
moving those processes to local places, such as on a user’s computer, an IoT device,
or an edge server.
Bringing computation to the network’s edge minimizes the amount of
long-distance communication that has to happen between a client and server.
The
increase of IoT devices at the edge of the network is producing a massive
amount of data to be computed at data centers, pushing network bandwidth
requirements to the limit.Despite the improvements of network technology, data
centers cannot guarantee acceptable transfer rates and response times, which
could be a critical requirement for many applications. Furthermore, devices at
the edge constantly consume data coming from the cloud, forcing companies to
build content delivery networks to decentralize data and service provisioning,
leveraging physical proximity to the end user.
In a similar way, the aim of Edge Computing is to move the computation away from data centers towards the edge of the network, exploiting smart objects, mobile phones or network gateways to perform tasks and provide services on behalf of the cloud.
By moving services to the edge, it
is possible to provide content caching, service delivery, storage and IoT
management resulting in better response times and transfer rates
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