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在這個(gè)科技時(shí)代，5G布局在加速，那么關(guān)于新技術(shù)5G，5G核心網(wǎng)關(guān)鍵技術(shù)，你知道有哪些嗎？如何應(yīng)對(duì)？如何運(yùn)用到行業(yè)里？

5G核心網(wǎng)關(guān)鍵技術(shù)，在3GPP規(guī)范 23.501中有描述，摘錄如下：

The 5G System architecture is defined to support data connectivity and services enabling deployments to use techniques such as e.g. Network Function Virtualization and Software Defined Networking. The 5G System architecture shall leverage service-based interactions between Control Plane (CP) Network Functions where identified. Some key principles and concept are to:

- Separate the User Plane (UP) functions from the Control Plane (CP) functions, allowing independent scalability, evolution and flexible deployments e.g. centralized location or distributed (remote) location.

- Modularize the function design, e.g. to enable flexible and efficient network slicing.

- Wherever applicable, define procedures (i.e. the set of interactions between network functions) as services, so that their re-use is possible.

- Enable each Network Function to interact with other NF directly if required. The architecture does not preclude the use of an intermediate function to help route Control Plane messages (e.g. like a DRA).

- Minimize dependencies between the Access Network (AN) and the Core Network (CN). The architecture is defined with a converged core network with a common AN - CN interface which integrates different Access Types e.g. 3GPP access and non-3GPP access.

- Support a unified authentication framework.

- Support "stateless" NFs, where the "compute" resource is decoupled from the "storage" resource.

- Support capability exposure.

- Support concurrent access to local and centralized services. To support low latency services and access to local data networks, UP functions can be deployed close to the Access Network.

- Support roaming with both Home routed traffic as well as Local breakout traffic in the visited PLMN.

總結(jié)來看：

1  核心網(wǎng)虛擬化以及SDN 軟件定義網(wǎng)絡(luò)

2  控制面和用戶面分離，計(jì)算與存儲(chǔ)分離

3 服務(wù)化架構(gòu)支持網(wǎng)絡(luò)切片

4  支持多種網(wǎng)絡(luò)接入

5   開放性

至于如何應(yīng)用到行業(yè)中，可以說任何垂直行業(yè)的應(yīng)用都離不開核心網(wǎng)的參與，當(dāng)前切片應(yīng)用正在探索中，虛擬化帶來的收益還未體現(xiàn)。

總之，那幫專家們畫了一個(gè)大餅，但是大餅究竟是否有更多的營養(yǎng)，那就呵呵了。