Ciena Corp. engages in the provision of network and communication infrastructure. The company is headquartered in Hanover Maryland, Maryland and currently employs 8,079 full-time employees. The firm provides solutions, which enable a range of network operators to deploy and manage networks that deliver services to businesses and consumers. The firm operates through four segments. Networking Platforms segment consists of its Converged Packet Optical, and Routing and Switching portfolios. Platform Software and Services segment provides domain control management, analytics, data and planning tools and applications to assist customers in managing their networks. Blue Planet Automation Software and Services segment includes multi-domain service orchestration (MDSO), inventory management (BPI), route optimization and analysis (ROA), network function virtualization orchestration (NFVO), and unified assurance and analytics (UAA). Global Services segment offers a suite of value-added services that help its customers to build, operate and improve their networks.