Ciena Corporation is a global supplier of telecommunications networking equipment, software, and services. The company was founded in 1992 and is headquartered in Hanover, Maryland. Ciena's products include optical transport and switching systems, software, and services that support the transport, switching, aggregation, and management of voice, video, and data traffic. Ciena serves customers in the telecommunications industry, including telecommunications service providers, cable operators, governments, and enterprises. The company has approximately 7,000 employees worldwide and operates in more than 100 countries.