CIENA CORP revenue for the last year amounted to 3.47 B CHF, the most of which — 3.18 B CHF — came from its highest performing source at the moment, Networking Platforms, the year earlier bringing 2.78 B CHF. The greatest contribution to the revenue figure was made by United States — last year it brought CIENA CORP 2.55 B CHF, and the year before that — 2.42 B CHF.