A team of researchers have proposed a method to use cloud and fog, or edge, computing structures to complement one another – rather than viewing edge computing as a replacement for the cloud. Using #SoftwareDefinedNetworking ( #SDN ) to manage the interaction between cloud and edge resources, a network can remain dynamic, agile and efficient while providing a better experience for the end user. Increased use of mobile devices has created stresses on cloud networks, which will only increase as mobile device use increases worldwide. Creating a system where cloud and edge computing resources are unified is a potential response to the challenges of overtaxed resources and unexpected latency, which can cause a degraded quality of experience for the end user. However, combining resources in the cloud and at the edge creates specific challenges for the system. There must be a local coordinator to divert tasks to the appropriate resources in real time, in a dynamic and unpredictable environment. The system must be constantly updated in real time to provide the best information regarding available resources, and have open, programmable interfaces to divert tasks in the most efficient ways. The research team created a software-defined network (SDN) enabled architecture to meet these challenges and create a usable network that uses cloud and edge computing capabilities simultaneously.
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