The introduction of optical fiber has transformed the telecommunication industry and it has played a very important and key part in the information age. Optical fibre is widely preferred for data transmission to other media of communication because of its capability to carry extensive information and its dielectric nature. However, this mode of transmission has faced an issue of high latency which later reduces the throughput as well as reducing the quality of Experience on the customer side. This paper presents how different tests of throughput and latency were carried out using the Viavi test kit, analyzed and then compared the obtained results with the standard defined by IEEE and ITU for conformity. Some of the results conformed with the defined whereas others did not because of different reasons that include congestion of the link, faulty hardware on the network, poor quality of the fibre cable and the distance covered by the optical fibre link. The mitigation measures for the above causes were discussed in this paper and they include upgrading the bandwidth of the link, ensuring the use of quality fiber cables, regular maintenance to sight out the faulty components on the link as well as employment of several repeaters on long-distance optical fiber links.

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