NOK vs CIEN Comparison

Nokia provides telecom equipment and services that are used to build wireless and fixed-line networks. It operates in four segments. The mobile networks segment sells equipment and services to telecom carriers to power public wireless networks. Network infrastructure focuses on fixed-line networks, including switching and routing equipment, optical components, and devices used in fiber-to-the-premises networks. The cloud and network services segment develops software used to operate the core of carrier wireless networks and build private networks for enterprises. Nokia also has a sizable research and patent business, where it licenses technology used by handset providers, consumer electronics firms, and other firms making electronic and Internet of Things products.

Ciena is a telecommunications equipment provider focused on optical transport technologies, with clients in a number of industries such as communication services providers, web-scale providers, cable operators, government, and large enterprises worldwide. The company provides equipment, software, and services that support transport, switching, aggregation, service delivery, and data traffic management.