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5G: What is the significance of "data network name" (DNN) and how it is different from LTE APN ?

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5G: What is the significance of "data network name" (DNN) and how it is different from LTE APN ?
posted Sep 20, 2018 by Harshita

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I was going through deployment options 4A and 7, in which LTE eNodeB interacts with NGCN for control plane and user plane.
I am thinking the scenarios that when an operator would require particular option 7 in which eNodeB control and user plane both ends interface towards NGCN ? If this is the case then S1-AP and NG-AP both protocols will have to implement at next generation core network.
Is my understanding of option 7 is correct ?

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In LTE network, UE registers with network using attach procedure. MME supports couple of states such as EMM-REGISTERED, EMM-DEREGISTERED to maintain the status of UE registration. I want to know that how network registration is being implemented at 5G core ? Is it as same as LTE network EMM states ?

+1 vote

Is there any major difference between these two procedures when I compare both of these against LTE registration and mobility management ?

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