Ciena Corp designs and sells optical networking and automation technology used to move, route, and manage high-capacity traffic across carrier, cloud, and data center networks. Its portfolio spans hardware, software, and services that help customers expand bandwidth, improve network efficiency, and support AI-driven traffic growth. The company sells through direct and indirect channels and works closely with large cloud providers, communications service providers, and other network operators. Ciena also uses its Blue Planet software and newer interconnect technologies to extend beyond traditional telecom transport into data center-adjacent applications.