5GC主要接口对应的网络功能关系,以及使用的协议

时间:2025-04-12 20:37:12

5GC点对点接口

网络功能关系 协议
N1 UE-AMF 5G NAS
N2 gNodeB-N NGAP
N3 gNodeB-UPF

GTP-U(GTPv1)

N4

SMP-UPF

PFCP(CUPS)
N5 PCF-AF http2
N6 UPF-DN 纯IP协议,如https
N7 SMF-PCF http2
N8 AMF-UDM http2
N9 UPF-UPF GTP-U(GTPv1)
N10 SMF-UDM http2
N11 AMF-SMF http2
N12 AMF-AUSF http2
N13 AUSF-UDM http2
N14 AMF-AMF http2
N15 AMF-PCF http2
N16 SMF-SMF http2
N26 MME-AMF GTPv2
N33 API-AF http2

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