Facebook, Google, Microsoft and others’ unquenchable demand for bandwidth is driving innovations such as the combining of packet and dense wavelength division multiplexing technologies.
Long driven by telecom, optical networks are now being pushed by large data centers operated by Facebook, Amazon, Google, Microsoft and others. Here, runs are shorter and the emphasis is not on utility-grade reliability, a change from the telecom world. Instead, lowering the cost per bit and boosting bandwidth are of paramount importance. Suppliers have come up with new solutions, with users not waiting for standards to be finalized.
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