By Light Reading

The subsea sector has been brimming over with 100G deployments during the past year or so, but some submarine cable operators and their vendors are already heading towards the next frontier — 400G.

This spring, Tata Communications Ltd. (NYSE: TCL) and its vendor partners Huawei Technologies Co. Ltd. and Huawei Marine Networks Co. Ltd. announced they had completed a 400G field test on a submarine cable, an achievement that boosted Huawei's blooming reputation as a 400G innovator, while positioning Tata as an early mover toward 400G submarine cable upgrades. (See Tata, Huawei Test 400G on Subsea Cable and Eurobites: Huawei Lands 400G Deal in Egypt.)

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