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GB/T 43039-2023: Methodology for communication network dependability assessment and assurance
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GB/T 43039-2023: Methodology for communication network dependability assessment and assurance

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ICS 03.120.01 CCSL05 National Standards of People's Republic of China Communication network credibility assessment and assurance methods (IEC 62673.2013,IDT) Published on 2023-09-07 Implemented on 2023-09-07 State Administration for Market Regulation Released by the National Standardization Administration Committee

Table of contents

PrefaceⅠ Introduction II 1 Scope 1 2 Normative reference documents 1 3 Terms, definitions and abbreviations1 3.1 Terms and definitions 1 3.2 Abbreviations 4 4 Overview of network credibility methods 5 4.1 Requirements for network trustworthiness methods 5 4.2 Network credibility goal 5 4.3 Network service scenario 6 4.4 Network credibility assessment strategy 6 4.5 Network credibility assurance strategy 7 5 Application of network credibility method 8 5.1 Network life cycle processes 8 5.2 Network credibility characteristics 9 5.3 Network credibility assessment method 10 5.4 Network credibility assurance methods 14 Appendix A (informative) E2E network credibility assessment case 18 A.1 Objective 18 A.2 Network topology and E2E network service path description 18 A.3 E2E network service path construction 19 A.4 E2E network service path analysis 21 A.5 E2E network service path assessment 22 Appendix B (informative) Full-end network credibility assessment case 24 B.1 Objective 24 B.2 Network topology and full-end network description 24 B.3 Full-end network availability model analysis 24 B.4 Full-end network credibility assessment 24 Appendix C (Informative) Network Credibility Assessment for Field Operations 25 C.1 Objective 25 C.2 Data Analysis 25 C.3 Network Credibility Assessment26 Reference 27

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. This document is equivalent to IEC 62673.2013 "Communications Network Credibility Assessment and Assurance Methods". Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents. This document is 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 Standardization Technical Committee on Reliability and Maintainability of Electrical and Electronic Products (SAC/TC24). This document was drafted by. Fifth Institute of Electronics, Ministry of Industry and Information Technology, Huawei Technologies Co., Ltd. The main drafters of this document. Pan Yong, Yang Hongqi, Hu Ning, Wu Xiangping, Huang Jinyong, Zhang Xun, Liu Yujie, and Feng Yankuan.

Introduction

Communication networks aim to obtain user satisfaction with service performance, and their credibility is largely affected by the design and implementation of network service functions. Impact. The evolution of communication networks, the growth of services and the updating of functions are long-term challenges faced by network service providers. This is not only because of the The scope of storage services is broad and related to the activities that end users experience in connection with the services. In order to maintain available business in network services, the communications industry needs to be careful to provide the following. ---Required network service functions; ---Sufficient network capacity and performance; ---Service security; ---service quality; ---Service credibility. This document addresses one of the most important issues related to business trustworthiness assessment and delivery to ensure network service performance, while also It also solves the problem of application of network credibility assurance strategies and methods to enhance and maintain network operation. This document describes a set of general methods for communication network credibility assessment and assurance, and provides relevant assessment and assurance means to support communication Trust network trust engineering applications. These methods are consistent with IEC 61907 and the International Telecommunications Union Telecommunication Standardization Bureau (ITU-T) concerning trustworthiness The recommended standards are consistent. This document provides a network credibility analysis and evaluation method that can ensure the effective implementation of reliable network design. The goal of this document is to formulate a set of cost-effective solutions that guarantee the trustworthy performance of the network and ensure the operation of the network from the service Gain from credibility. Communication network credibility assessment and assurance methods

1 Scope

This document explains a set of general methods for communication network credibility analysis and evaluation from a life cycle perspective, and provides information for network topology analysis. Network credibility assessment strategies and a complete set of methods for analysis, service path credibility evaluation and network configuration optimization to obtain network credibility and service Credibility. This document also focuses on network reliability assurance strategies and a complete set of methods, including network health check applications, network outage control Control and test case management to enhance and maintain the reliability of network service operations. This document is applicable to network service providers, network designers and developers, and network operators engaged in network credibility assurance and service credibility assessment. Network maintenance and operations personnel.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document. lary(IEV)-Part 192.Dependability] Note 1.GB/T 2900.99-2016 Credibility of electrical terminology (IEC 60050-192.2015, IDT) Note 2.GB/T 37407-2019 Application Guide System Reliability Engineering (IEC 60300-3-15.2009, MOD) 3 Terms, definitions and abbreviations 3.1 Terms and definitions The terms and definitions defined in IEC 60050-191 and the following apply to this document. 3.1.1 communication network communication network A system of communication nodes and links that provide analog or digital signal transmission. Examples. telecommunications networks, the Internet, intranets, extranets, wide area networks, local area networks and computer networks utilizing information technology. Note 1.A network has its boundaries. All nodes at the network boundary are called endpoints. In some applications, the term "node" is used instead of "endpoint" to refer to the network's Information access points, while representing connections between transmission links. Note 2.A "backbone" communications network consists of a core network and high-speed transmission lines (domestic and international). These transmission lines connect a country or region’s The interconnection of main switching network nodes, i.e. transmission lines, at different locations. 3.1.2 dependability network dependability networkdependability Ability to perform as required when required to meet specified communications and operational requirements. ...