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The discussion around Network Slicing for 5G Systems is slowly converging to concrete solutions which will be adopted in the early deployment of 5G Networks due by 2020. In particular, within 3GPP standardization body, study items recently completed have finalized the definition of 5G System architecture, comprising Access and Core Networks, and defined the key design principles for End to End Network Slicing. This paper reviews the latest achievements of 3GPP SA2 and RAN3 Working Groups (WGs) in this respect, relating them to the genesis of Network Slicing and to prior 4G technical solutions, which can be considered precursors of the concept. Essentially, this paper timely clarifies how Network Slicing will be brought into real systems, and sheds some light on the necessary next steps to further progress on the topic.
Trivisonno et al. (Fri,) studied this question.