In NSA Mode, how to distinguish the data of different users over the S1 and X2 interfaces?

5G NR
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1

In NSA Mode, how to distinguish the data of different users over the S1 and X2 interfaces?

  • TEID
  • IP
  • TEID + IP
  • UE ID
  • None of the above
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TEID. When UE originates a service, eNB allocates TEID for the UE and inform MME. SGW also allocates TEID for the UE and inform MME. MME exchange TEIDs for both sides. For X2 between eNB and gNB it’s the same, but anchor eNB do the work of MME.

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