Сразу два доклада на NANOG 77 про настоящее и будущее оптического транспорта. Вам понравится, если вам не чужды такие слова, как : dispersion, attenuation, modulation, water peak, multiplexing, coherent, DWDM, LWDM, ROADM, EDFA, FEC, OTN, QSFP-DD, 400G.
A peak in attenuation in optical fibers caused by contamination from hydroxyl (OH) ions that are residuals of the manufacturing process. Water peak causes wavelength attenuation and pulse dispersion in the general regions of 950 nm, 1380 nm and 2730 nm.