CIEN vs TEF

Ciena Corporation

Ciena Corporation provides network hardware, software, and services that support the transport, routing, switching, aggregation, service delivery, and management of video, data, and voice traffic on communications networks worldwide. The company's Networking Platforms segment offers hardware networking products and solutions that optimized for the convergence of coherent optical transport, optical transport network switching, and packet switching. Its products include 6500 Packet-Optical Platform, 5430 Reconfigurable Switching System, Waveserver stackable interconnect system, and the 6500 Reconfigurable line system, and the 5400 family of Packet-Optical platforms, as well as Z-Series Packet-Optical Platform; 3000 family of service delivery switches and service aggregation switches, and the 5000 family of service aggregation switches, as well as 8700 Packetwave Platform and the Ethernet packet configuration for the 5410 Service Aggregation Switch; and 6500 Packet Transport System. This segment also sells operating system software and enhanced software features embedded in each of its products. The company's Blue Planet Automation Software and Services segment provides multi-domain service orchestration, inventory, route optimization and analysis, network function virtualization orchestration, analytics, and related services. Its Platform Software and Service segment offers OneControl unified management system and platform software services, as well as manage, control, and plan software. The company's Global Services segment provides consulting and network design, installation and deployment, maintenance support, and training services. The company sells its products through direct and indirect sales channels to network operators. Ciena Corporation was founded in 1992 and is headquartered in Hanover, Maryland.

Telefonica SA

Telefónica, S.A., together with its subsidiaries, provides telecommunications services in Europe and Latin America. The company's mobile and related services and products comprise mobile voice, value added, mobile data, Internet, wholesale, corporate, roaming, fixed wireless, trunking, and paging services. Its fixed telecommunication services include PSTN lines; ISDN accesses; public telephone services; local, domestic, and international long-distance and fixed-to-mobile communications; corporate communications; supplementary value-added services; video telephony; intelligent network; and telephony information services. The company also leases and sells handset equipment; and provides Internet and broadband multimedia services comprising Internet service provider, portal and network, retail and wholesale broadband access, narrowband switched access, high-speed Internet through fibre to the home, and voice over Internet protocol services. In addition, it offers leased lines; virtual private network; fibre optics; hosting and application; outsourcing and consultancy; desktop; and system integration and professional services. Further, the company offers wholesale services for telecommunication operators, including domestic interconnection; international wholesale; leased lines for other operators; and local loop leasing under the unbundled local loop regulation framework, as well as bit stream services, wholesale line rental accesses, and leased ducts for other operators' fiber deployment. Additionally, it provides video/TV services; smart connectivity and services, and consumer IoT products; financial and other payment, security, cloud computing, advertising, big data, and digital telco experience services; virtual assistants; digital home platforms; and Movistar Home devices. The company serves 337 million customers. Telefónica, S.A. was founded in 1924 and is headquartered in Madrid, Spain.