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Ciena is the global leader in high-speed connectivity. Our networking systems, interconnects, automation, and services support evolving requirements for AI-ready networks at scale.

AI WAN
Metro and edge
Long haul
Security
Data center out-of-band management
Network lifecycle

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AI WAN

Optimize performance across cloud and AI workloads with high-capacity, low-latency connectivity.

Data center interconnect and scale-across networks
Managed optical fiber networks
AI-ready IP networking

Metro and edge

Simplify, scale, and optimize your metro and edge networks to meet new AI-driven connectivity demands.

Metro optical architectures
Coherent routing
On-demand wavelength services

Long haul

Maximize capacity and operational efficiencies with our innovative, flexible long-haul solutions.

Submarine networking
Terrestrial long haul

Security

Mitigate security risks and ensure the confidentiality, integrity, and availability of data.

Data security and encryption
Quantum-safe communications

Data center out-of-band management

Simplify and scale out-of-band management with a fiber-based architecture designed for AI-era data centers.

Data center out-of-band management

Network lifecycle

Ensure your network keeps pace with ever-evolving business requirements and industry advancements. Our experts provide a tailored approach to drive success.

Network acceleration
Network transformation
Managed operations

Modern data center infrastructure with interconnected server racks and high-speed optical networking, enabling secure data transmission, network automation, cloud connectivity, and managed operations services.

DCOM for the AI-era data center

A new approach to OOB management

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Artificial intelligence
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Multi-layer network control
Autonomous networking

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Blog

AI inference demands more dynamic connectivity: Here’s the opportunity for service providers

As AI adoption drives rapid growth in inference alongside continued training demand, enterprise traffic is becoming more distributed, dynamic, and unpredictable. Ciena’s Paulina Gomez explores how service providers can respond with more agile, on-demand connectivity to turn the evolving needs of AI into a new growth opportunity.

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Video

Understanding scale-up and scale-out networks

AI model training depends on dedicated networking architectures designed for different performance requirements. In this video, Spencer Giacalone, Senior Director of Cloud and AI Architecture, explains the roles of scale-up and scale-out networks, why both are essential for AI infrastructure, and how technologies such as NVLink, RoCEv2, and emerging standards enable efficient, high-performance AI networks. He also discusses how Ciena’s Nitro and Vesta products support next-generation XPU connectivity.

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Webinar

The next phase of AI connectivity: How CSPs can capitalize on emerging demand with NTT, Omdia, and Ciena

In this webinar, explore how AI demand is driving new connectivity requirements across edge, metro, and long-haul networks—from high-capacity wavelength services and dedicated AI connectivity to flexible, on-demand service offerings.

Watch

eBook

AI-Ready IP Transport Network Modernization

This eBook examines how service providers can modernize IP transport networks to meet the demands of AI-driven workloads.

Download

Our company

As the global leader in high-speed connectivity, we empower our customers, partners, and communities to thrive in the AI era.

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Our success is rooted in people

Our commitments to inclusion, social impact, well-being, and sustainability, empower our people to improve their lives and lift those around them.

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Press Release

Telxius and Ciena Achieve First Live 1.3 Tb/s Data Transmission Across the Atlantic

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Customer Story

Zayo Europe uses Ciena tech to launch new German network covering key metro hubs

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Open line systems
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Redefining Optical Networks
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Routing and Switching
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Scale-up and scale-out networks
Submarine networking
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What is hyper-rail or multi-rail? | Ciena

Hyper-rail enables you to reliably deploy and scale AI with greater density, efficiency, and speed. Explore the shift that’s rede ...

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Ciena is the global leader in high-speed connectivity.

With a focus on optical networking, we deliver an AI advantage built on decades of expertise and innovation shaped by customer co-creation. Our portfolio is designed to address rapidly evolving requirements with proven end-to-end capabilities across systems, interconnects, automation software, and services. We provide a reliable path forward to support AI-ready networks at scale.

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AI WAN

Metro and edge

Long haul

Security

Data center out-of-band management

Network lifecycle

DCOM for the AI-era data center

Our solutions by segment

Our insights

SELECT A TOPIC:

AI inference demands more dynamic connectivity: Here’s the opportunity for service providers

Video

Understanding scale-up and scale-out networks

Webinar

The next phase of AI connectivity: How CSPs can capitalize on emerging demand with NTT, Omdia, and Ciena

eBook

AI-Ready IP Transport Network Modernization

Our company

Our success is rooted in people

Press Release

Telxius and Ciena Achieve First Live 1.3 Tb/s Data Transmission Across the Atlantic

Customer Story

Zayo Europe uses Ciena tech to launch new German network covering key metro hubs

Investors

Investor Relations

Contact us

General Inquiries

Sales

Global offices

North and South America

Europe, Middle East, and Africa

Asia Pacific

Latest undefined

What is

What is hyper-rail or multi-rail? | Ciena

Our solutions  by segment