YD/T 6673-2026SDN based broadband access network - Configuration and acquisition model of PON with low latency and deterministic latency (English PDF)

YD/T 6673-2026 is the English-translated version of 基于SDN的宽带接入网 PON系统支持低时延和确定性时延的配置和采集模型.

YD/T 6673-2026 sets out requirements for a configuration and acquisition model that lets a passive optical network (PON) system support low latency and deterministic latency within a broadband access network based on software-defined networking (SDN). It covers the management of low latency and deterministic latency, and the configuration and collection of latency measurement data.

The document applies to the design, research and development, and production of GPON, XG(S)-PON and 50G-PON equipment intended for applications that need low or deterministic latency. EPON and 10G-EPON equipment may follow it by reference. It is useful to equipment manufacturers, network software developers and operators who specify access network gear. It is a voluntary standard approved by the Ministry of Industry and Information Technology, issued on 11 March 2026 and effective from 1 June 2026. It is a new standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 39 pages — is available in the English PDF.

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