Its products are used in telecommunications networks operated by telecommunications service providers, cable operators, governments and enterprises. The company was founded in 1992 and is headquartered in Hanover, Maryland.
Ciena sells products and services across four segments: Converged Packet Optical, Packet Networking, Optical Transport, and Software & Services. Key current platforms include the 6500 Packet-Optical Platform, 5430 Reconfigurable Switching System, CoreDirector Multiservice Optical Switch, 3000 family of service delivery switches, and the 4200 Advanced Services Platform. It also offers the Ciena One integrated network and service management software suite, consulting and support services, deployment services, maintenance and support services, spares and logistics management.