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Basic data
| Standard ID | GB/T 44887.10-2024 (GB/T44887.10-2024) |
| Description (Translated English) | IPv6 evolution technical requirements - Part 10: Enhanced VPN(VPN+) for supporting IP network slicing |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | L78 |
| Classification of International Standard | 33.040.40 |
| Word Count Estimation | 14,162 |
| Date of Issue | 2024-11-28 |
| Date of Implementation | 2025-03-01 |
| Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration |
GB/T 44887.10-2024: IPv6 evolution technical requirements - Part 10: Enhanced VPN(VPN+) for supporting IP network slicing
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
IPv6 evolution technical requirements - Part 10.Enhanced VPN(VPN) for supporting IP network slicing
Technical Requirements for IPv6 Evolution Part 10.Support for IP
Enhanced VPN for Network Slicing
(VPN)
IPv6 evolution technical requirements-Part 10.Enhanced VPN (VPN) for
supporting IP network slicing
ICS 33.040.40
CCS L 78
National Standard of the People's Republic of China
Released on 2024-11-28
2025-03-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface ... Ⅲ
Introduction ... Ⅳ
1 Scope ... 1
2 Normative references ... 1
3 Terms and Definitions ... 1
4 Abbreviations ... 1
5 VPN Technical Architecture ... 2
6 VPN Technical Requirements ... 2
6.1 VPN Physical Network ... 2
6.2 VPN Virtual Network Data Plane ... 3
6.3 VPN Virtual Network Control Plane ... 3
6.4 VPN Management and Control ... 3
7 SR-based VPN process ... 3
7.1 General Description ... 3
7.2 Topology and Resource Calculation 4
7.3 Network Resources and SID Allocation ... 4
7.4 SR Virtual Network ... 5
7.5 Mapping VPN Services to SR Virtual Networks 6
7.6 Presentation of SR VPN Virtual Network ... 6
References ... 7
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting is required.
This document is part 10 of GB/T 44887 Technical Requirements for IPv6 Evolution. GB/T 44887 has published the following
part.
Part 5.Virtual Private Network (VPN) based on IPv6 Segment Routing (SRv6);-
Part 10.Enhanced Virtual Private Network (VPN) supporting IP network slicing; -
Part 11.IPv6 flow detection technology. -
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by the Ministry of Industry and Information Technology of the People's Republic of China.
This document is under the jurisdiction of the National Communications Standardization Technical Committee (SAC/TC 485).
This document was drafted by. China Telecom Corporation Limited, Tianyi Cloud Technology Co., Ltd., China United Network Communications Group Co., Ltd.
Huawei Technologies Co., Ltd., China Information and Communications Technology Group Co., Ltd., New H3C Technologies Co., Ltd., Shanghai Nokia Bell Co., Ltd.
Co., Ltd., China Mobile Communications Group Co., Ltd., and Beijing Engineering Research Center for Key Technologies and Evaluation of Next Generation Internet Co., Ltd.
The main drafters of this document are. Gong Xia, Wu Youming, Zhu Yongqing, Dong Jie, Liu Jianfeng, Fan Zhiwen, Chen Duan, Pang Ran, Gong Liyan, Fan David,
Wang Junfang, Yu Haisheng, Yang Bing, Wang Xinyuan, Huang Yongyuan.
Introduction
According to the Notice on Accelerating the Large-Scale Deployment and Application of Internet Protocol Version 6 (IPv6), in order to accelerate the improvement of government application
my country has formulated a series of IPv6 standards to create and expand industry integrated applications, promote the large-scale deployment of IPv6 and standardize innovative application results.
Among them, GB/T 44887 "Technical Requirements for IPv6 Evolution" is a standard formulated to regulate the national IPv6 deployment and is intended to be divided into the following parts.
Part 1.Reference Architecture. The purpose is to define the application scenarios of IPv6 evolution technology in operators and industry fields, as well as the
Deployment in business and industry networks.
Part 2.IP bearer network based on IPv6 segment routing (SRv6). The purpose is to specify the overall IP bearer network based on SRv6.
Architecture, SRv6-based device layer technical requirements, and SRv6-based control layer technical requirements.
Part 3.IPv6 Segment Routing Header (SRH). The purpose is to specify the format of the IPv6 Segment Routing Header (SRH).
and technical requirements for SRH processing at the node.
Part 4.Network programming based on IPv6 segment routing (SRv6). The purpose is to specify the data plane based on SRv6 network programming.
plane, control plane, and management plane.
Part 5.Virtual Private Network (VPN) based on IPv6 Segment Routing (SRv6).
The processing flow and protocol messages of the VPN network include the implementation of Layer 3 services and Layer 2 services.
Part 6.IPv6 Segment Routing (SRv6) Policy. The purpose is to define the technology used to support SRv6 policy.
Development, design and testing of network equipment.
Part 7.Service chain based on IPv6 segment routing (SRv6). The purpose is to specify the data plane technical requirements of service chain based on SRv6.
Requirements and technical requirements for the service chain control plane based on SRv6.
Part 8.Header compression based on IPv6 Segment Routing (SRv6). The purpose is to specify the header compression applicable to supporting SRv6-based packets.
Development, design and testing of network equipment with header compression.
Part 9.Network Fault Protection Based on IPv6 Segment Routing (SRv6). The purpose is to specify the common network fault protection applicable to SRv6 networking.
Network failure scenarios, including SRv6 BE node/link failure, SRv6 Policy intermediate node/end node failure, micro-ring and SRv6
Policy failure scenarios, etc.
Part 10.Enhanced Virtual Private Network (VPN) supporting IP network slicing. The purpose is to specify enhanced virtual private
The technical architecture of VPN, VPN technical requirements, and VPN implementation process based on SR.
Part 11.IPv6 flow detection technology. The purpose is to specify the data plane flow information applicable to multi-type service carrying scenarios.
Automated quality measurement, as well as development, testing and deployment of IP network equipment flow detection functions.
Technical Requirements for IPv6 Evolution Part 10.Support for IP
Enhanced VPN for Network Slicing
(VPN)
1 Scope
This document specifies the technical architecture of the enhanced virtual private network (VPN), VPN technical requirements, and SR-based
VPN implementation process.
This document is applicable to the development, testing and application of network equipment that supports enhanced virtual private networks (VPN).
2 Normative references
This document has no normative references.
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Enhanced virtual private network; VPN
A network service that is formed by integrating new network technologies and functions based on traditional virtual private networks (VPNs).
Note. Enhanced VPN can provide enhanced isolation features to isolate resources of different user networks, thereby reducing the load variation of a user network.
The change will not affect the business of other users.
3.2
IP network slice
An IP network is a logically isolated virtual network provided for specific users or services.
Note. IP network slicing meets the differentiated connection and service quality assurance requirements of different users and services through dedicated or shared network resources.
3.3
Segment routing
Source routing technology applied to MPLS or IPv6 networks to implement service path customization.
Note. In an MPLS network, a segment is encoded as an MPLS label. In an IPv6 network, a segment is encoded in the IPv6 address format.
The Segment Routing Header indicates the forwarding path.
4 Abbreviations
The following abbreviations apply to this document.
BGP﹘LS. Border Gateway Protocol﹘Link State
DetNet. Deterministic Networking
FlexE. Flexible Ethernet technology (Flex Ethernet)
IGP. Interior Gateway Protocol
MPLS. Multi-Protocol Label Switching
MPLS﹘TE. Multi﹘Protocol Label Switching﹘Traffic Engineering
...
