Ciena is a network technology company that provides hardware, software, and services to network operators worldwide, enabling traffic across cloud, voice, video, data, and AI applications. The company's core offerings include optical networking solutions built on proprietary coherent modem technology and photonic systems for long-haul and data center use; IP-based routing and switching platforms; domain control and analytics software; and automation platforms that help service providers orchestrate and optimize multi-vendor networks. Ciena serves three primary markets: cloud providers and data center operators seeking massive bandwidth capacity; service providers including wireline and wireless carriers; and other customers such as cable operators and enterprises; the company generates revenue through direct and indirect sales channels supported by a global partner ecosystem.