GB/T 21645.7-2010 English PDF

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GB/T 21645.7-2010: Technical requirements for automatically switched optical network -- Part 7: Automatic discovery
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Basic data

Standard ID: GB/T 21645.7-2010 (GB/T21645.7-2010)
Description (Translated English): Technical requirements for automatically switched optical network -- Part 7: Automatic discovery
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: M33
Classification of International Standard: 33.040.40
Word Count Estimation: 50,562
Date of Issue: 2010-12-01
Date of Implementation: 2011-04-01
Quoted Standard: GB/T 21645.1-2008; GB/T 21645.2-2010; ITU-T G.707; ITU-T G.7712; ITU-T G.7714; ITU-T G.7714.1; ITU-T G.784; ITU-T G.803; ITU-T G.805; ITU-T G.8080; ITU-T G.831-2000; ITU-T G.872; IETF RFC 1570; IETF RFC 1661; IETF RFC 1662; IETF RFC 2045; IETF RFC 4204; IETF RFC 4207; IETF RFC 4209; IETF RFC 4394
Adopted Standard: TIU-T G.7714-2005, NEQ; ITU-T G.7714.1-2006, NEQ
Regulation (derived from): Announcement of Newly Approved National Standards 2010 No. 9 (No. 164 overall)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the Automatically Switched Optical Network (ASON) transport entity generic auto-discovery feature, frameworks, processes and discovery messages, and Synchronous Digital Hierarchy (SDH) and Optical Transport Network (OTN) network auto-discovery mechanism and communication based multi-protocol Label Switching (GMPLS) link management Protocol (LMP) and so on. This section applies to ITU-T G. 803 defined synchronous digital hierarchy (SDH0 transport network and the ITU-T G. 872 defines the optical transport network (OTN).

GB/T 21645.7-2010: Technical requirements for automatically switched optical network -- Part 7: Automatic discovery

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Technical requirements for automatically switched optical network Part 7. Automatic discovery ICS 33.040.40 M33 National Standards of People's Republic of China Automatically Switched Optical Network (ASON) technical requirements Part 7. Automatic discovery Part 7. Automaticdiscovery Issued on. 2010-12-01 2011-04-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Terms, Definitions and Abbreviations 1 4 Universal automatic discovery, frameworks and processes 3 Basic functions 4.1 Universal Auto Discovery 3 4.2 General framework for automatic discovery of 4 4.3 General transmitting entity automated discovery process 5 4.4 General requirements for automatic discovery function 8 5 Universal Automatic discovery and status messages (10) 5.1 Layer adjacency discovery (LAD) process 10 5.2 transport entity the ability to interact (TCE) process 13 6 SDH and OTN automatic discovery protocol requirements 16 6.1 SDH and OTN layer adjacent to the discovery mechanism 16 6.2 layer adjacent property used in 18 6.3 Based on the layer adjacent to the path trace byte 18 6.4 layer adjacent to a message-based ECC 21 6.5 layer flow adjacent found 22 6.6 discovery response message 22 7 GMPLS-based auto-discovery protocol requirements 23 7.1 GMPLSLMP based automatic discovery 23 7.2 Link Management Protocol (LMP) functions and composition of the 23 7.3 SDH-oriented extension of LMP 26 7.4 for the LMP WDM extensions 26 7.5 LMP message 26 Auto Discovery 8 UNI and NNI interface of claim 29 8.1 I-NNI interface 29 8.2 UNI interface 30 8.3 E-NNI interface 30 Appendix A (informative) discovery process state machine 31 Annex B (informative) automatic discovery process embodiment example 33 B.1 Overview 33 B.2 LAD stream 33 Annex C (informative) physical connection error detected even 34 C.1 Overview 34 C.2 automatic discovery process 34 C.3 Example. interaction found 37 different message formats between the two DA Annex D (informative) using 39 different discovery mechanism D.1 Overview 39 D.2 Type 1 layer adjacent found usage category 39 D.3 usage and scene 39 D.4 automatic discovery using the principles of mechanisms and processes 41 Appendix E (Informative Appendix) ASON automatic discovery and mapping of 44 GMPLSLMP term References 45

Foreword

Structure GB/T 21645 "Automatic Switched Optical Network (ASON) technical requirements" standard is expected as follows. --- Part 1. Architecture and general requirements; --- Part 2. Terms and definitions; --- Part 3. Data Communication Network (DCN); --- Part 4. Signaling Technology; --- Part 5. User - Network Interface (UNI); --- Part 6. management plane; --- Part 7. automatic discovery. This part of GB/T 21645 Part 7. This part of ITU-TG.7714.2005 "General transmitting entity automatic discovery" and G.7714.1.2006 "SDH and OTN networks Automatic discovery agreement "non-equivalent, combined with the development of the domestic situation. The following sections of this part of the technical content and ITU-TG.7714 coordinated. --- Chapter 4 correspond G.7714.2005 Chapter 6 - Chapter 10, and adds features and frame contents are automatically discovered; --- Chapter 5 corresponds G.7714.2005 of Chapter 11 and Chapter 12; --- Appendix A correspond G.7714.2005 Appendix I. The following sections of this part of the technical content and G.7714.1.2006 harmonized. --- Chapter 6 correspond G.7714.1.2006 Chapter 5 - Chapter 11, and 6.2 adds the OTN OTS/OMS / LAD mechanism OCh layer; --- Appendix B, Appendix C and Appendix D, respectively G.7714.1.2006 Appendix Ⅰ, Ⅱ and Appendices Appendix Ⅵ. In addition, the Section 7 and Appendix E also refer to the IETF, OIF and other relevant International Organization for Standardization and automatic link management protocol Recommendations found. This section of the Appendix A, Appendix B, Appendix C, Appendix D, Appendix E is an information appendix. This part is proposed by the Ministry of Industry and Information Technology of the People's Republic of China. This part of the jurisdiction of the China Communications Standards Association. This section drafted by. Ministry of Information Industry Telecom Research Institute, China United Telecommunications Corporation, Huawei Technologies, ZTE shares Parts Limited, Wuhan Research Institute of Posts and Telecommunications, Shanghai Bell Alcatel, Nokia - Siemens Communications (Shanghai) Co., The company, UT Starcom (Chongqing) Communications Limited. The main drafters of this section. Fang, Xu Yunbin, Gao Jianhua, the Qi Min, Pan Ruifeng, Zhang Haitao, Wang Junlin. Automatically Switched Optical Network (ASON) technical requirements Part 7. Automatic discovery

1 Scope

This section GB/T 21645 specifies the automatic transmission entity Switched Optical Network (ASON) generic auto-discovery function, framework, process And found messages, and synchronous digital hierarchy (SDH) and Optical Transport Network (OTN) networks and automatic discovery mechanism based on multi-protocol communication standard Record exchange (GMPLS) Link Management Protocol (LMP) and the like. This section applies to ITU-TG.803 defined synchronous digital hierarchy (SDH) transport network and ITU-TG.872 defined Optical Transport Network (OTN).

2 Normative references

The following documents contain provisions which, through reference GB/T 21645 in this section constitute provisions of this section. For dated references, All subsequent amendments (excluding corrections) or revisions do not apply to this section, however, encourage an agreement under this section Parties to study the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB/T 21645.1-2008 Automatic Switched Optical Network (ASON) technical requirements - Part 1. Architecture and general requirements GB/T 21645.2-2010 Automatic Switched Optical Network (ASON) technical requirements for Part 2. Terms and definitions ITU-TG.707 Synchronous Digital Hierarchy (SDH) network node interface Architecture and specification ITU-TG.7712 Data Communication Network ITU-TG.7714 common transport entity auto-discovery ITU-TG.7714.1 SDH and OTN networks Auto-Discovery Protocol ITU-TG.784 Synchronous Digital Hierarchy (SDH) management ITU-TG.803 SDH transport network based architecture General functional structure of ITU-TG.805 transport network ITU-TG.8080 Automatic Switched Optical Network Architecture ITU-TG.831 (2000) based management capabilities of SDH transmission network ITU-TG.872 Optical Transport Network (OTN) architecture IETFRFC1570 PPPLCP Extended IETFRFC1661 Point to Point Protocol (PPP) IETFRFC1662 class HDLC frame PPP Format Internet message body. IETFRFC2045 Multipurpose Internet Mail Extensions (MIME) Part 1 IETFRFC4204 Link Management Protocol (LMP) IETFRFC4207 link management protocol test message SONET/SDH encoding IETFRFC4209 DWDM optical line system Link Management Protocol (LMP) Transfer IETFRFC4394 Link Management Protocol (LMP) Network Perspective 3 Terms, definitions and abbreviations 3.1 Terms and Definitions Terms and definitions GB/T 21645.2 specified in applicable to GB/T 21645 in this section. 3.2 Acronyms The following abbreviations apply to this part of the GB/T 21645 of. ......

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