Ciena Corporation provides communications networking equipment, software, and services that support the transport, switching, aggregation, and management of voice, video, and data traffic worldwide. Its product portfolio consists of packet-optical transport that includes optical transport solutions to increase network capacity and enable delivery of a broader mix of high-bandwidth services; and packet-optical switching, which comprise optical switching platforms incorporating multiservice and multi-protocol switching systems that enable automated optical infrastructures for the delivery of various enterprise and consumer-oriented network services. The company also offers carrier Ethernet solutions, including service delivery switches and service aggregation switches to support the access and aggregation tiers of communications networks, as well as to support wireless backhaul infrastructures and business data services; and software solutions to track individual services across multiple product suites, facilitating planned network maintenance, outage detection, and identification of customers or services affected by network troubles. In addition, Ciena Corporation provides consulting and support services, such as project management, deployment, maintenance support, consulting, and training services, as well as network analysis, planning, design, optimization, modernization, and assurance. Its packet-optical transport, packet-optical switching, and carrier Ethernet solutions products are used individually or as part of an integrated solution in networks operated by communications service providers, cable operators, governments, enterprises, and other network operators. The company sells its communications networking solutions directly, as well as through strategic channel relationships. Ciena Corporation was founded in 1992 and is headquartered in Hanover, Maryland.