V2EX packet core

Packet Core

Definition|释义

在移动通信网络中负责数据业务的核心网部分,主要处理用户的上网数据(如 IP 数据包)的接入、路由转发、会话管理、计费与策略控制等。常见于 4G 的 EPC(Evolved Packet Core)与 5G 的 5GC(5G Core)。除该技术义外,“core”在其他语境还可指“核心/要点”。

Pronunciation|发音(IPA)

/pkt kr/

Examples|例句

The packet core manages mobile data sessions.
分组核心网负责管理移动数据会话。

As operators migrate from EPC to a cloud-native 5G packet core, they must redesign interfaces, security controls, and policy enforcement to maintain performance at scale.
当运营商从 EPC 迁移到云原生的 5G 分组核心网时,必须重新设计接口、安全控制与策略执行机制,才能在大规模场景下保持性能。

Etymology|词源

“Packet”原指“包裹、小包”,在计算机网络中引申为“数据包/分组”;“core”意为“核心”。组合成“packet core”,即“以分组(数据包)为中心的核心网络”,强调与传统电路交换语音核心网不同,它主要面向 IP 分组数据的处理。

Related Words|相关词

Literary Works|作品与文献中的用例

  • 3GPP TS 23.401《General Packet Radio Service (GPRS) enhancements for E-UTRAN access》(EPC 架构与分组核心网相关描述)
  • 3GPP TS 23.501《System Architecture for the 5G System (5GS)》(5G Core/分组核心网体系结构)
  • 《LTE The UMTS Long Term Evolution: From Theory to Practice》(讲解 LTE/EPC,即典型“packet core”架构的专业书籍)
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