YD/T 4506-2023
Technical requirements for access optical transport network (OTN) equipment management and control (English Version)

Standard No.

YD/T 4506-2023

Language

Chinese, Available in English version

Release Date

2023

Published By

Professional Standard - Post and Telecommunication  CN  /  YD

Latest

YD/T 4506-2023

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Introduction

Analysis of the core content of the standard

The standard specifies a complete management and control system for access OTN equipment, mainly including:

• Management and control function architecture: adopts a layered design and implements standardization of southbound interfaces through the NETCONF protocol
• Information model: defines 11 types of core objects and their associations
• Interface operations: supports 28 standard and extended NETCONF commands

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Comparison of key technologies

Technical dimensions	Access OTN	Metropolitan OTN	Differences
Management and control interface	NETCONF+SSH	CORBA/TL1	Lightweight protocol
Automatic discovery	Support LLDP	Support OSPF	Simplified discovery protocol
DCN requirements	Shared metro DCN	Independent DCN	Network topology differences

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Typical application scenarios

Unified management and control of multi-vendor devices

An operator uses the standard-defined YANG model to implement:

1. Connecting devices from different vendors through the NETCONF protocol
2. Configuration command conversion based on unified information model
3. Alarm data standardization processing efficiency increased by 40%

Implementation suggestions

Device development precautions

• The five basic NETCONF commands specified in Section 6.3.1 must be implemented
• Information model modeling must strictly follow the definition rules in Section 6.2.1
• DCN security requirements must meet all clauses in Chapter 7

Test and verification points

Southbound interface	Verify that the XML message complies with the naming specification in Appendix B
Automatic discovery	Test the link discovery function in Section 8.2

Technology evolution analysis

The standard reflects three major technology trends:

1. SDN: Using NETCONF/YANG to achieve control separation
2. Lightweight: Simplifying the complex management and control functions of metropolitan OTN
3. Openness: Breaking vendor lock-in through standard southbound interfaces

YD/T 4506-2023 Referenced Document

• YD/T 3843-2021 Technical requirements for access optical transport network (OTN) equipment

YD/T 4506-2023 history

• 2023 YD/T 4506-2023 Technical requirements for access optical transport network (OTN) equipment management and control

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