Wednesday, August 14, 2019

Where is the Edge?

It still remains unclear where the “edge” is for “edge computing. Sometimes it is on the device; sometimes on a premises; sometimes elsewhere in the metro area. Latency-sensitive applications are believed to be the use cases driving various forms of edge computing. 

Such use cases drive thinking that there is a role for service provider edge computing, in some instances. As has been the case for content delivery networks, there is value in placing content or processing closer to the places where content is consumed, or decisions must be made. 

The idea is to put processing someplace in the network closer to the end user devices and apps, but not at remote cloud data centers. Athonet, for example, uses the term “Servicing Gateway Local Break Out” (SGW-LBO) to describe the way some traffic can be directed to local computing facilities rather than across the network to cloud data centers.



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