ADTN vs CIEN

ADTRAN Holdings Inc.

ADTRAN, Inc. provides networking and communications platforms and services for service providers, cable/multiple system operators, small- to medium-sized business, and distributed enterprises in the United States, Germany, Mexico, and internationally. The company operates through two segments, Network Solutions, and Services & Support. It offers fiber to the premises and fiber to the node (FTTN) multi-service access nodes (MSAN); fiber aggregation and FTTN MSAN; network management and subscriber services control and orchestration software; software defined networking -controlled programmable network elements; fiber to the distribution point units; optical line terminals and transport solutions; IP-based digital subscriber line access multiplexers; cabinet and outside plant enclosures and services; transceivers, cables, and other miscellaneous materials; and other products, software, and services. The company also provides broadband customer premise solutions and point-to-point Ethernet optical network terminals; radio frequency over glass micro nodes; ethernet switches for multi-gigabit local area networking; SmartOS software licensing for residential gateway and Wi-Fi devices; cloud-based SaaS management platforms; Wi-Fi-enabled residential gateway products and accessories; managed mesh Wi-Fi solutions for cloud-managed connectivity; virtual wireless local area networks for business-class Wi-Fi and management; and pre-sale and post-sale technical support. In addition, it offers planning, engineering, program management, maintenance, installation, and commissioning services. Further, the company offers time division multiplexed and asynchronous transfer mode-based aggregation systems and customer devices; and high-bit-rate digital subscriber line, asymmetric digital subscriber line, and other technologies to deliver business and residential services. ADTRAN, Inc. was incorporated in 1985 and is headquartered in Huntsville, Alabama.

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.