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29281-f50 GTPv1-U.docx（中英文对照翻译文档，4G和5G数据面的GTP协议）

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    Foreword
    1Scope
    2References
    3Definitions and abbreviations3定义和缩写
    3.1Definitions
    3.2Abbreviations
    4General
    4.1GTP Path
    4.2GTP-U Tunnels
    4.2.1GTP-U Tunnel description4.2.1 GTP-U隧道描述
    4.2.2IP transport
    4.2.3GTP-U Tunnel IP transport4.2.3 GTP-U隧道IP传输
    4.2.4Ingress GTP tunnel (GTPv1-U sending endpoint
    4.2.5Egress GTP tunnel (GTPv1-U receiving endpoin
    4.2.6MBMS IP Multicast Distribution of the User P
    4.3GTP-U Protocol Entity4.3 GTP-U协议实体
    4.3.0General
    4.3.1Handling of Sequence Numbers4.3.1序列号的处理
    4.4Protocol stack
    4.4.0GTP-PDU Stacks4.4.0 GTP-PDU堆栈
    4.4.1UDP/IP
    4.4.2UDP header and port numbers4.4.2 UDP头和端口号
    4.4.2.0General
    4.4.2.1Echo Request Message4.4.2.1回应请求消息
    4.4.2.2Echo Response Message4.4.2.2回应响应消息
    4.4.2.3Encapsulated T-PDUs4.4.2.3封装的T-PDU
    4.4.2.4Error Indication4.4.2.4错误指示
    4.4.2.5Supported Extension Headers Notification
    4.4.2.6End Marker
    4.4.3IP header and IP addresses4.4.3 IP头和IP地址
    4.4.3.1Echo Request Message4.4.3.1回应请求消息
    4.4.3.2Echo Response Message4.4.3.2回应响应消息
    4.4.3.3Encapsulated T-PDUs4.4.3.3封装的T-PDU
    4.4.3.4Error Indication4.4.3.4错误指示
    4.4.3.5Supported Extension Headers Notification
    4.4.3.6End Marker
    4.5Transmission Order and Bit Definitions4.5传输顺
    4.6New Functionality4.6新功能
    5GTP-U header
    5.1General format
    5.2GTP-U Extension Header5.2 GTP-U扩展标头
    5.2.1General format of the GTP-U Extension Header
    5.2.2Extension Header types5.2.2扩展标头类型
    5.2.2.1UDP Port
    5.2.2.2PDCP PDU Number5.2.2.2 PDCP PDU号
    5.2.2.2ALong PDCP PDU Number5.2.2.2长PDCP PDU号
    5.2.2.3Service Class Indicator5.2.2.3服务等级指标
    5.2.2.4RAN Container5.2.2.4 RAN容器
    5.2.2.5Xw RAN Container5.2.2.5 Xw RAN容器
    5.2.2.6NR RAN Container5.2.2.6 NR RAN容器
    5.2.2.7PDU Session Container5.2.2.7 PDU会话容器
    6GTP-U Message Formats6 GTP-U消息格式
    6.1General
    6.2Presence requirements of Information Elements
    7GTP-U Messages
    7.1General
    7.2Path Management Messages7.2路径管理消息
    7.2.1Echo Request
    7.2.2Echo Response
    7.2.3Supported Extension Headers Notification7.
    7.3Tunnel Management Messages7.3隧道管理消息
    7.3.1Error Indication7.3.1错误指示
    7.3.2End Marker
    8Information Elements8个信息要素
    8.1Information Element Types8.1信息元素类型
    8.2Recovery
    8.3Tunnel Endpoint Identifier Data I8.3隧道端点标识符数
    8.4GTP-U Peer Address8.4 GTP-U对等地址
    8.5Extension Header Type List8.5扩展标头类型列表
    8.6Private Extension8.6私人扩展
    9Error Handling
    9.1Protocol Errors
    9.2Path Failure
    10Security
    11Reliable Delivery of Signalling Messages11信令消
    12GTP Parameters
    12.1General
    12.2Timers
    12.3Others
    13Tunnelling Scenarios13隧道场景
    13.1General
    13.2Tunnelling between SGWs13.2 SGW之间的隧道
    13.3Transfer of the user plane data between PDN G
    13.4Tunnelling between SGSNs13.4 SGSN之间的隧道连接
    13.5Tunnelling between Source RNC and Target RNC
    13.6Transfer of the user plane data between GGSNs
    13.7Tunnelling between RNC and eNodeB13.7 RNC和e
    13.8Tunnelling between SGSN and eNodeB13.8 SGSN
    13.9Tunnelling between Source eNodeB and Target e
    13.10Tunnelling between SGSN and RNC13.10 SGSN和
    13.11Tunnelling between SGSN and SGW13.11 SGSN与
    13.12Tunnelling between SGW and eNodeB13.12 SGW
    13.13Tunnelling between SGW and RNC13.13 SGW和RN
    13.14Tunnelling between SGW and SGSN13.14 SGW与S
    Annex A (Normative):PDU session user plane proto
    Annex B (informative):Change history附件B（资料性附录）：
    3GPP TS 29.281 V15.5.0 (2018-12) 3rd Generation Partnership Project; Technical Specification 第三代合作伙伴计划; Technical Specification Group Core Network and Terminals; 技术规范组核心网和终端; General Packet Radio System (GPRS) Tunnelling Protocol User Plane (GTPv1-U) 通用分组无线电系统（GPRS）隧道协议用户平面（GTPv1-U） (Release 15) The present document has been developed within the 3rd Generation Partnership Project (3GPP TM) and may be further elaborated for the purposes of 3GPP. The present document has not been subject to any approval process by the 3GPP Organizational Partners and shall not be implemented. This Specification is provided for future development work within 3GPP only. The Organizational Partners accept no liability for any use of this Specification. Specifications and reports for implementation of the 3GPP TM system should be obtained via the 3GPP Organizational Partners' Publications Offices. 本文档已在第三代合作伙伴计划（3GPP TM）内开发，并且可以出于 3GPP 的目的进一步详述。 本文件未经 3GPP 组 织合作伙伴的任何批准程序，不得实施。 本规范仅供 3GPP 内的未来开发工作使用。组织合作伙伴对本规范的任何使
    Release 15 3 3GPP TS 29.281 V15.5.0 (2018-12) Keywords EPS, GSM, UMTS, packet mode, GPRS EPS，GSM，UMTS，分组模式，GPRS 3GPP Postal address 3GPP support office address 3GPP 支持办公地址 650 Route des Lucioles - Sophia Antipolis 650 Route des Lucioles - 索菲亚安提波利斯 Valbonne - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Copyright Notification 电话：33 4 92 94 42 00 传真：33 4 93 65 47 16 版权声明 No part may be reproduced except as authorized by written permission. Internet The copyright and the foregoing restriction extend to reproduction in all media. http://www.3gpp.org 除非经书面许可，否则不得复制任何部分。 版权和上述限制扩展到所有媒体的复制。 © 2018, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC). ©2018,3GPP 组织合作伙伴（ARIB，ATIS，CCSA，ETSI，TSDSI，TTA，TTC）。 All rights reserved. UMTS™ is a Trade Mark of ETSI registered for the benefit of its members 版权所有。 UMTS™是 ETSI 的商标，为其会员注册 3GPP™ is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners LTE™ is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners 3GPP™是 ETSI 的商标，为其会员和 3GPP 组织合作伙伴的利益而注册 LTE™是 ETSI 的商标，为其会员和 3GPP 组织合作伙伴的利益而注册 GSM® and the GSM logo are registered and owned by the GSM Association GSM®和 GSM 徽标由 GSM 协会注册并拥有 3GPP
    Release 15 4 3GPP TS 29.281 V15.5.0 (2018-12) Contents Foreword.............................................................................................................................................................5 Scope........................................................................................................................................................ 6 1 2 References................................................................................................................................................ 6 Definitions and abbreviations...................................................................................................................7 3 3.1 3.2 4 4.1 4.2 4.2.1 4.2.2 4.2.3 4.2.4 4.2.5 4.2.6 4.3 4.3.0 4.3.1 4.4 4.4.0 4.4.1 4.4.2 4.4.2.0 4.4.2.1 3 定义和缩写 7 Definitions...........................................................................................................................................................7 Abbreviations...................................................................................................................................................... 8 General..................................................................................................................................................... 9 GTP Path............................................................................................................................................................. 9 GTP-U Tunnels ................................................................................................................................................... 9 GTP-U Tunnel description............................................................................................................................ 9 4.2.1 GTP-U 隧道描述 9 IP transport.................................................................................................................................................... 9 4.2.2 IP 传输 9 GTP-U Tunnel IP transport........................................................................................................................... 9 4.2.3 GTP-U 隧道 IP 传输 9 Ingress GTP tunnel (GTPv1-U sending endpoint)...................................................................................... 10 4.2.4 Ingress GTP 隧道（GTPv1-U 发送端点）10 Egress GTP tunnel (GTPv1-U receiving endpoint).....................................................................................10 4.2.5 出口 GTP 隧道（GTPv1-U 接收端点）10 MBMS IP Multicast Distribution of the User Plane Data...........................................................................10 4.2.6 用户平面数据的 MBMS IP 组播分布 10 GTP-U Protocol Entity ......................................................................................................................................11 4.3 GTP-U 协议实体 11 General........................................................................................................................................................ 11 Handling of Sequence Numbers..................................................................................................................11 4.3.1 序列号的处理 11 Protocol stack....................................................................................................................................................12 4.4 协议栈 12 GTP-PDU Stacks.........................................................................................................................................12 4.4.0 GTP-PDU 堆栈 12 UDP/IP........................................................................................................................................................ 12 UDP header and port numbers.................................................................................................................... 13 4.4.2 UDP 头和端口号 13 General...................................................................................................................................................13 Echo Request Message .......................................................................................................................... 13 4.4.2.1 回应请求消息 13 3GPP
    Release 15 5 3GPP TS 29.281 V15.5.0 (2018-12) 4.4.2.2 Echo Response Message ........................................................................................................................13 4.4.2.2 回应响应消息 13 Encapsulated T-PDUs............................................................................................................................13 4.4.2.3 封装的 T-PDU 13 Error Indication......................................................................................................................................13 4.4.2.4 错误指示 13 Supported Extension Headers Notification............................................................................................13 4.4.2.5 支持的扩展标头通知 13 End Marker............................................................................................................................................ 13 4.4.2.6 结束标记 13 IP header and IP addresses.......................................................................................................................... 13 4.4.3 IP 头和 IP 地址 13 Echo Request Message .......................................................................................................................... 13 4.4.3.1 回应请求消息 13 Echo Response Message ........................................................................................................................13 4.4.3.2 回应响应消息 13 Encapsulated T-PDUs............................................................................................................................14 4.4.3.3 封装的 T-PDU 14 Error Indication......................................................................................................................................14 4.4.3.4 错误指示 14 Supported Extension Headers Notification............................................................................................14 4.4.3.5 支持的扩展标头通知 14 End Marker............................................................................................................................................ 14 4.4.3.6 结束标记 14 Transmission Order and Bit Definitions ........................................................................................................... 14 4.5 传输顺序和位定义 14 New Functionality .............................................................................................................................................14 4.6 新功能 14 GTP-U header.........................................................................................................................................14 General format .................................................................................................................................................. 14 5.1 一般格式 14 GTP-U Extension Header................................................................................................................................. 16 5.2 GTP-U 扩展头 16 General format of the GTP-U Extension Header........................................................................................ 16 5.2.1 GTP-U 扩展头 16 的一般格式 Extension Header types............................................................................................................................... 17 5.2.2 扩展标题类型 17 UDP Port................................................................................................................................................18 4.4.2.3 4.4.2.4 4.4.2.5 4.4.2.6 4.4.3 4.4.3.1 4.4.3.2 4.4.3.3 4.4.3.4 4.4.3.5 4.4.3.6 4.5 4.6 5 5.1 5.2 5.2.1 5.2.2 5.2.2.1 3GPP
    Release 15 6 3GPP TS 29.281 V15.5.0 (2018-12) 5.2.2.2 PDCP PDU Number .............................................................................................................................. 18 5.2.2.2A 5.2.2.2 PDCP PDU 号码 18 Long PDCP PDU Number .....................................................................................................................18 5.2.2.3 5.2.2.4 5.2.2.5 5.2.2.6 5.2.2.7 5.2.2.2 长 PDCP PDU 号 18 Service Class Indicator.......................................................................................................................... 19 5.2.2.3 服务等级指标 19 RAN Container...................................................................................................................................... 20 5.2.2.4 RAN 容器 20 Xw RAN Container ............................................................................................................................... 20 5.2.2.5 Xw RAN 容器 20 NR RAN Container ................................................................................................................................21 5.2.2.6 NR RAN 容器 21 PDU Session Container ......................................................................................................................... 21 5.2.2.7 PDU 会话容器 21 6 GTP-U Message Formats....................................................................................................................... 21 6 GTP-U 消息格式 21 General.............................................................................................................................................................. 21 Presence requirements of Information Elements .........................................................................................22 6.2 信息要素的存在要求 22 GTP-U Messages....................................................................................................................................22 General.............................................................................................................................................................. 22 Path Management Messages ............................................................................................................................. 22 7.2 路径管理消息 22 Echo Request...............................................................................................................................................22 7.2.1 回应请求 22 Echo Response .............................................................................................................................................23 7.2.2 回应响应 23 Supported Extension Headers Notification................................................................................................. 23 7.2.3 支持的扩展标头通知 23 Tunnel Management Messages .........................................................................................................................23 7.3 隧道管理消息 23 Error Indication........................................................................................................................................... 23 7.3.1 错误指示 23 End Marker..................................................................................................................................................24 Information Elements.............................................................................................................................25 8 信息要素 25 Information Element Types...............................................................................................................................25 8.1 信息元素类型 25 Recovery........................................................................................................................................................... 25 6.1 6.2 7 7.1 7.2 7.2.1 7.2.2 7.2.3 7.3 7.3.1 7.3.2 8 8.1 8.2 3GPP
    Release 15 7 3GPP TS 29.281 V15.5.0 (2018-12) 8.3 8.4 8.5 8.6 9 9.1 9.2 10 11 12 12.1 12.2 12.3 13 13.1 13.2 13.3 13.4 13.5 13.6 13.7 13.8 13.9 Tunnel Endpoint Identifier Data I.....................................................................................................................26 8.3 隧道端点标识符数据 I 26 GTP-U Peer Address.........................................................................................................................................26 8.4 GTP-U 对等地址 26 Extension Header Type List..............................................................................................................................26 8.5 扩展标题类型列表 26 Private Extension .............................................................................................................................................. 27 8.6 私人延期 27 Error Handling........................................................................................................................................27 Protocol Errors.................................................................................................................................................. 27 9.1 协议错误 27 Path Failure ....................................................................................................................................................... 27 Security...................................................................................................................................................27 Reliable Delivery of Signalling Messages............................................................................................. 27 11 可靠传递信令消息 27 GTP Parameters......................................................................................................................................28 12 GTP 参数 28 General.............................................................................................................................................................. 28 Timers............................................................................................................................................................... 28 Others................................................................................................................................................................ 28 Tunnelling Scenarios..............................................................................................................................28 13 隧道情景 28 General.............................................................................................................................................................. 28 Tunnelling between SGWs ............................................................................................................................... 28 13.2 SGW 之间的隧道 28 Transfer of the user plane data between PDN GWs......................................................................................... 28 13.3 在 PDN GW 28 之间传送用户平面数据 Tunnelling between SGSNs.............................................................................................................................. 29 13.4 SGSN 之间的隧道 29 Tunnelling between Source RNC and Target RNC .......................................................................................... 29 13.5 源 RNC 和目标 RNC 之间的隧道 29 Transfer of the user plane data between GGSNs.............................................................................................. 29 13.6 在 GGSN 之间传输用户平面数据 29 Tunnelling between RNC and eNodeB.............................................................................................................29 13.7 RNC 和 eNodeB 之间的隧道 29 Tunnelling between SGSN and eNodeB...........................................................................................................29 13.8 SGSN 和 eNodeB 之间的隧道 29 Tunnelling between Source eNodeB and Target eNodeB................................................................................ 29 13.9 源 eNodeB 和目标 eNodeB 之间的隧道 29 3GPP
    Release 15 8 3GPP TS 29.281 V15.5.0 (2018-12) 13.10 Tunnelling between SGSN and RNC................................................................................................................29 13.11 13.12 13.13 13.14 13.10 SGSN 和 RNC 之间的隧道 29 Tunnelling between SGSN and SGW...............................................................................................................30 13.11 SGSN 与 SGW 之间的隧道 30 Tunnelling between SGW and eNodeB............................................................................................................ 30 13.12 SGW 和 eNodeB 之间的隧道 30 Tunnelling between SGW and RNC.................................................................................................................30 13.13 SGW 和 RNC 之间的隧道 30 Tunnelling between SGW and SGSN...............................................................................................................30 13.14 SGW 与 SGSN 之间的隧道 30 Annex A (Normative): PDU session user plane protocol over N9....................................................31 附件 A（规范性附录）：N9 31 上的 PDU 会话用户平面协议 Annex B (informative): Change history............................................................................................... 31 附件 B（资料性附录）：改变历史 31 3GPP
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