CIENA CORP. NEW DL-,01 revenue for the last year amounted to 3.69 B EUR, the most of which — 2.80 B EUR — came from its highest performing source at the moment, Networking Platforms, the year earlier bringing 3.30 B EUR. The greatest contribution to the revenue figure was made by United States — last year it brought CIENA CORP. NEW DL-,01 2.57 B EUR, and the year before that — 2.65 B EUR.