Migrating to an Efficient Ethernet Transport Solution Based on OTN

Demand for transparent transport of Ethernet client traffic over optical transport lines is growing rapidly, driven by continued expansion of enterprise LAN systems. Existing data client mapping schemes are not sufficient to effectively address the requirements imposed by the growing percentage of Ethernet clients on the Optical Transport Network (OTN) infrastructure.

This paper proposes a method for mapping a 10 Gigabit Ethernet LAN signal into a true OPU2 (ITU-T G.709) payload container. The adapted client signal retains its 10GBASE-R characteristics, except for the adapted data rate. Thus, the proposed mapping serves as an effective and cost efficient migration path to an OTN-based Ethernet transport implementation with significant advantages over existing solutions.

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