The goal of fog computing is to create a complement to the cloud computing by moving the physical resources to the edge of the network to provide computing and storage services and to get rid of the long distance between the cloud and sensors. It enhances the performance of IoT and avoids the wasting of network bandwidth that occurs from transferring the task requests to the remote cloud.
Article Edge of Things: The Big Picture on the Integration of Edge, ...
QoS provision is the actions which guarantee the traffic requirements which the respect of the networks needs. To provide traffic requirements needs to assure the suitable environment however the networks can use resource than data traffic need. In this case, one can solve this problem by assuring the important exigence which consists in guaranteeing the equilibrium between the resource utilization and the resource availability through use of appropriate QoS mechanisms.
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