Summary

Recommendation ITU-T G.8251 specifies the maximum network limits of jitter and wander that shall not be exceeded and the minimum equipment tolerance to jitter and wander that shall be provided at any relevant interfaces which are based on the Optical Transport Network (OTN).

The requirements for the jitter and wander characteristics that are specified in this Recommendation must be adhered to in order to ensure interoperability of equipment produced by different manufacturers and a satisfactory network performance.

Amendment 1 contains extensions to the first version of the Recommendation related to the addition of ODUk multiplexing.

Corrigendum 2 contains material to correct Recommendation ITU‑T G.8251 in terms of 40 Gbit/s rate signals.

Amendment 2 contains the addition of support of transport of Gigabit Ethernet (GE) signals over ODU0.