Understanding OTN — Optical Transport Network

Daniel Ng Zheng Hui
4 min readDec 13, 2022

An optical transport network, or OTN, is a communication network that uses optical fibers to transport high-speed and high-capacity data. This type of network is commonly used by telecommunications and internet service providers to transmit large amounts of data over long distances.

Optical fibers are thin strands of glass or plastic that are capable of transmitting light. This makes…

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