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CONTENT DELIVERY NETWORK (CDN)

Deliver video, applications, software and more with the world’s most-connected content delivery network—featuring 170 Tbps of global edge capacity in 95 cities worldwide.

Global content delivery with a global edge

As one of the largest low-latency CDN networks, the Lumen® CDN enables reliable content delivery to users around the globe. That’s why many of the world’s leading media and ecommerce sites rely on our programmable edge and proven customer service to grow their businesses.

Explore the map below to see our network.

Select data:

Lumen Network Maps are representative of our networks but in general terms. Exact locations and routes are subject to change as we expand into new regions. The Lumen global network is made up of owned, leased access and IRU segments, which are not distinguished on maps. Lumen engages in-region carriers to provide services in some markets. No duplication permitted. Contact Lumen for updates or details.

Benefits

High performance

High performance

Optimize your content delivery from the network core to the user device. Architected directly into our vast IP backbone, the Lumen CDN leverages strong ISP peering relationships and advanced edge caching technologies to deliver exceptional user experiences.

Global reach

Global reach

Bring content closer to users than ever before with 170 Tbps of server capacity and an ever-expanding global footprint to power your current and future delivery needs.

Personalized service

Personalized service

Satisfy your business’ unique needs with do-it-yourself configurations and APIs, or enlist white-glove support from our dedicated solutions architects and technical support managers to plan and execute your most high-profile events.

Typing on a laptop at a desk

Features and Specifications

Architecture: 

  • 2400+ edge servers in 95 POPs for 170 Tbps total delivery capacity
  • Strategic server placement within IP backbone at key peering points; deep edge caching within ISPs
  • Advanced peering control as Tier 1 provider to help ISPs correct routing issues
  • Tiered architecture reduces load and cost of edge server caching
  • Edge clustering, popularity-based caching, and request collapsing for enhanced cache efficiency
  • Rate limiting options to help ISPs better manage large software download events
     

  Protocol:

  • TCP optimizations for small and large object transfer
  • HTTP/2, HTTP/3 and QUIC (technical preview); IPv6
  • Optimized traffic localization and routing
     

  Reliability/redundancy:

  • Staged code and configuration development; rollout in progressive deployment rings
  • Configurations stored locally on edge nodes in the event of control plane failure 
  • 24/7 regional and global NOCs; local language support

  • Origin: native origin service or bring your own
  • Origin failover: balance traffic between multiple origins 
  • Robust connectivity into public cloud origins 
  • Security: SSL certificate management, standard TLS 1.3, TLS shared cert, Let’s Encrypt 
  • Access control: geo-blocking, token authentication, cloud authentication, proxy and VPN detection 
  • Purge control: self-service UI and API for invalidations; ~60 second propagation delay
  • Support for modern HTTP features (e.g. chunked transfer encoding (CTE), range requests)
  • Image optimization
  • Object pre-fetch

  • Flexible, software-based origin shield 
  • Configuration options and an expression language to control cache rules and expiration
  • Lua edge scripting engine to support custom logic (e.g. custom token schemes)

  • Self-service configuration via API and GUI (V3 coming Q4)
  • Progressive rollouts and AB testing for configuration changes 
  • Logs: log delivery and log streaming to the endpoint of your choice including public clouds (W3C file / JSON)
  • SRE processes and integration of our support teams into your DevOps systems
  • Enhanced visualization and new user interface (Q4 2021)

Delivering large-scale live streaming events?

Read our white paper on managing growing audiences with confidence while offering high quality through network-optimized content delivery. 

170 Tbps

of CDN capacity*

95 POPs

in over 40 countries*

#1 

AS rank on CAIDA**

9 of the 10 

largest media companies work with Lumen***

Case Studies

Reliable and high-quality OTT service
Live sports broadcaster

Reliable and high-quality OTT service

Facing a deadline to launch their over-the-top sports broadcasting service, Okko Sport needed the high-quality connectivity of Vyvx®, CDN and Mesh Delivery.

Scalable & high-performance CDN
Major game developer

Scalable & high-performance CDN

With their biggest games enjoyed by over 40 million players worldwide, Gaijin sought rapid scale for unpredictable traffic during new releases.

Rapid, reliable delivery of large software downloads
Computer graphics leader

Rapid, reliable delivery of large software downloads

Under pressure to deliver large-scale B2B software updates in the TV and film industries, graphics company Chaos needed dependability and scalability. 

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