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, which sells equipment and services to telecom carriers to power public wireless networks, is the largest. Network infrastructure focuses on fixed networks, including infrastructure, solutions, and components for IP networks, optical networks, and submarine networks. Cloud and network services is a nascent segment catering to enterprises, offering as-a-service platforms. Nokia also has a sizable research division 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.