Summary

Recommendation ITU-T G.8312 describes a transport technology for metro networks (MTNs), including transport of distributed radio access network (D-RAN) and centralized radio access network (C-RAN) traffic. This technology leverages existing and emerging pluggable Ethernet modules and reuses flex Ethernet (FlexE) implementation logic.

Amendment 1 adds several clarifications and also provides test vectors.

Amendment 2 adds an annex to describe the fine grain MTN path and the associate elements.