3GPP TS 23501-g51 中英文对照 | 4.2.1 General

Posted 2021-09-07 COCOgsta

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4.2.1 General

This specification describes the architecture for the 5G System. The 5G architecture is defined as service-based and the interaction between network functions is represented in two ways.

本规范描述了5G系统的体系结构。5G架构被定义为service-based的架构，网络功能之间的交互以两种方式表示。

- A service-based representation, where network functions (e.g. AMF) within the Control Plane enables other authorized network functions to access their services. This representation also includes point-to-point reference points where necessary.

-一种service-based的表示，其中Control Plane内的网络功能（如AMF）允许其他授权网络功能访问其服务。如有必要，此表示还包括点对点参考点。

- A reference point representation, shows the interaction exist between the NF services in the network functions described by point-to-point reference point (e.g. N11) between any two network functions (e.g. AMF and SMF).

-参考点表示法显示了网络功能中NF服务之间存在的交互作用，该网络功能由任意两个网络功能（如AMF和SMF）之间的点对点参考点（如N11）描述。

Service-based interfaces are listed in clause 4.2.6. Reference points are listed in clause 4.2.7.

Network functions within the 5GC Control Plane shall only use service-based interfaces for their interactions.

5GC Control Plane的网络功能只能使用service-based的接口进行交互。

NOTE 1: The interactions between NF services within one NF are not specified in this Release of the specification.

注1：本规范版本未规定一个NF内NF服务之间的交互。

NOTE 2: UPF does not provide any services in this Release of the specification, but can consume services provided by 5GC Control Plane NFs.

注2：UPF在此Release的规范中不提供任何服务，但可以使用5GC Control Plane NFs提供的服务。

NFs and NF services can communicate directly, referred to as Direct Communication, or indirectly via the SCP, referred to as Indirect Communication. For more information on communication options, see Annex E and clauses under 6.3.1 and 7.1.2.

NFs和NF服务可以直接通信（称为Direct Communication），也可以通过SCP间接通信（称为Indirect Communication）。