While commercial implementations of 100G technology have started to show up in the long haul, we haven't seen it show up much in the metro. Today, however, Adva Optical Networking (ETR:ADV, news) made its move on the space, unveiling a solution integrated into its FSP 3000 DWDM system. The solution is based on non-coherent 4x28G technology.
Most metro fiber operators I have talked to seem to be expecting commercial 100G metro products to initially feature 10x10Gbps solutions. True 100G solutions are more expensive and thought to be further away from economic viability.
But ADVA says its solution is cost competitive with 10x10Gbps solutions, takes up less space, uses less power, and offers better spectral efficiency that can double the capacity of existing networks. Clearly they are hoping to leapfrog the competition and have their gear in place for next year, when the metro fiber industry starts putting this kind of gear in the field.
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