6G移动通信网络数据服务与数据面

doi:10.11959/j.issn.2096-3750.2023.00322

Abstract

Abstract:

The existing communication network represented by 5G is used as a communication session data “pipeline”for information exchange between terminal devices and the network.Different from the point-to-point transmission of communication session data, the data generated and consumed by AI, sensing and network operations in 6G network needs to be collected, preprocessed, stored, and analyzed in a distributed manner.To this end, a data plane architecture independent of the traditional user plane was proposed to systematically solve the challenges of managing and monetization of the non-user-plane data for 6G mobile communication networks.The classification and characteristics of 6G network data and data services were identified and defined.Furthermore, based on the comparative analysis of the 5G user plane and the existing data-driven network architecture, a 6G data plane framework composed of two main components i.e.data orchestrator and data agent was proposed, and the data plane functional architecture was elaborated.In addition, three potential options for data forwarding control mechanisms were designed.These mechanisms can support on-path-packet processing within any topology of data pipelines, realizing the construction and maintenance of dynamic programmable data pipeline and the thorough separation of routing algorithms and data forwarding.

Key words: 6G, data service, data plane, data orchestration, data forwarding control protocol

CLC Number:

TN919.23

Xueqiang YAN, Guanjie CHENG, Shuiguang DENG, Jianjun WU, Lu LU, Mingyu ZHAO, Yan XI, Chao LIU, Weiyuan LI, Lei FENG, Tong ZHANG. Data services and data plane for 6G mobile communication network[J]. Chinese Journal on Internet of Things, 2023, 7(1): 60-72.

Figures/Tables 15

References 50

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对比项	5G用户面数据承载	6G数据面数据承载
功能	PDU会话提供用户终端设备和网络之间端到端的	由数据采集、预处理、转发、存储和分析等功能组成分
	用户面连接	布式数据管道
数据承载的起始点和终结点	UE和UPF	任何网元和终端设备
数据转发设备行为	转发设备仅转发数据包	需要实现随路计算：在数据管道中，数据在被转发的同
		时被转换和优化，以达到可以分析和应用的状态
数据转发原则	数据包基于目标地址进行转发	数据包基于数据服务和数据管道标识进行转发
拓扑结构	点到点连接	任意拓扑

概念	简称
跟踪采集实体	TCE, trace collection entity
网络功能	NF, network function
网元管理系统	EMS, element management system
操作管理和维护	OAM, operation, administration and maintenance
应用功能	AF, application function
接入网	AN, access network
核心网	CN, core network
传输网	TN, transfer network
网络开放功能	NEF, network exposure function
物联网	IoT, internet of things

基础特性	NWDAF	MDT	SON	ETSI-ZSM	ETSI-PDL	IEEE-2144.1
部署模式	分层	中心化	分布式，中心	分层	分布式	中心化
			化或者混合式
功能/优势	通过 5GC 中的网络	网络规划与优化	网络性能和用	自动化网络和	联邦数据采集、	可信 IoT 管理和数据
	数据分析驱动网络		户体验优化	服务管理	数据共享和计算	服务
	自动化和服务编排
数据采集	从数据源汇聚数据	UE、RAN 节点	UE、RAN	E2E数据采集	IoT设备采集	可信感知，数据生成
		采集数据	节点采集数据			和采集
数据源	5GC NF, OAM, AF	UE	EMS	基础设施资源	拥有IoT设备的不	IoT设备
				和网络服务	同组织
服务开放	通过NEF	不支持	不支持	通过集成总线	不支持	通过数据API
可信（安全、隐私）	需要用户许可	需要用户许可	不支持	不支持	基于分布式账本	基于区块链
	网络状况（道路拥挤	覆盖优化、移动	自配置、自优	E2E 网络和服	智慧城市；智慧	所有IoT应用
用例	和预警信息等）和设	性优化、容量优	化、自愈、自	务管理；集成	医疗；智慧交通
	备行为（UE 移动性	化、公共信道参	保护、自学习	和互操作；
	等）监测	数化、QoS验证		安全和追溯
领域	5GC	RAN	RAN	OAM	UE, AN, CN, TN	IoT和无线网络
标准组织	3GPP	3GPP	3GPP	ETSI	ETSI	IEEE

数据管理特性	NWDAF	MDT	SON	ETSI-ZSM	ETSI-PDL	IEEE-2144.1
数据类型	网络数据	网络数据	网络数据	网络数据	IoT数据	IoT数据
可信数据服务	认证	授权	不支持	不支持	认证＆授权	基于区块链的可信方案
部署弹性	不支持	不支持	不支持	部分支持	不支持	不支持
是否支持第三方数据共享	支持	不支持	不支持	不支持	支持	支持
用例灵活性	不支持	不支持	不支持	不支持	不支持	支持（通过服务API）
E2E数据管理	部分支持	部分支持	部分支持	部分持证	部分支持	支持

类别	数据来源	应用范围	时变性	隐私保护要求	存储要求
用户签约数据	网络/业务用户	网络功能，第三方应用	静态	直接隐私相关	永久存储
网络数据	网络设备和基础设施	网络优化，第三方应用	动态	直接或间接隐私相关	长期存储
IoT数据	传感器	IoT应用，智能决策	动态	直接或间接隐私相关	短期存储
AI数据	AI算法	智能决策	动态	推断隐私	中期存储

Data services and data plane for 6G mobile communication network

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0～4　　　5～8	9～12　　13～16	17～20　　　21～24	25～28　　　　29～32
协议类型（0）	Header length	DS ID
DP ID		Sequence Number（1^stoctet）	Sequence Number（2^ndoctet）
Sequence Number (3^rdoctet)	Payload length		Payload
Payload
Payload

0～4　　　　　5～8	9～12　　　　13～16	17～20　　　　21～24	25～28　　　　29～32
协议类型（1）	Header length	DS ID
DP ID		路由跳数	routetype1(0)　　next da id1
next da id1-cont	routetype2(1)	下一跳DA个数	next da id2
next da id2-cont	next da id3		routetype3(0)　　next da id4
next da id4-cont	routetype4(0)	next da id5
Sequence Number（1^stoctet）	Sequence Number（2^ndoctet）	Sequence Number (3^rdoctet)	Payload length
Payload length-cont　　　Payload
Payload
Payload

	IoT数据	AI数据	网络数据（测量报告）	混合数据
方案1	81.97%	99.25%	57.69%	96.60%
方案2	61.35%	97.87%	32.26%	90.84%
方案3	81.97%	99.25%	57.69%	96.60%

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