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With Edge Computing, traditional cloud architectures have transformed into multi-tier data centers that are distributed over the geographical span of the network. These architectures support new mobile and Internet of Things (IoT) applications [4] that require low latency, or produce large volumes of data by providing computation and storage in the vicinity of the end users and devices. Through Edge computing, a wide-area cloud data center which serves a large country can be extended to a hierarchy of datacenters that provide coverage for different geographical areas such as cities, neighborhoods, and buildings.

Offloading the compute to the edge has received significant attention of-late, which brings about the challenges in maintaining the associated state across multiple sites. Examples include a wearable smart assistant that could execute latency sensitive and bandwidth intensive functions, such as audio data …