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STUDY ON MECHANISMS FOR USER TRAFFIC HANDLING AT THE NETWORK EDGE
Abstract
This paper presents a study on deployment of policy based quality of service management at the mobile network edge. The requirements of fifth generation (5G) services for high bandwidth, low latency, reliability and availability can be fulfilled by Multi-access Edge Computing (MEC) former Mobile Edge Computing, which distributes cloud capabilities in the Radio Access Network. The paper studies the MEC potential for monitoring of accumulated usage of network resources based on data traffic volume on per session or user basis, for application traffic detection and control, and for policy based control on subscriber spending limits. Typical use cases are considered to illustrate the benefits of distribution of core network functionality for policy and charging control at the network edge. Migration of policy and charging control functions from the core to the edge, and providing them using virtualization and service oriented techniques enables cost reduction, performance improvement and reduced energy consumption for devices with constrained resources.
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