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CenturyLink versus Limelight

Easily compare CenturyLink and Limelight for POP locations, products, pricing, features & support. We hope this helps you better understand the similarities and differences between these content delivery networks.

CenturyLink logo Limelight logo

Company

Company CenturyLink Limelight
Short profile CenturyLink owns and operates a global Tier-1 network and - logically - their CDN runs on top of it. CenturyLink CDN has POPs on all continents and their product focus is on video and large object delivery. CenturyLink CDN is part of the Google Cloud CDN Interconnect. Limelight (NASDAQ: LLNW) has been a strong player in the CDN market since 2001. Limelight has a large, high-capacity network with POPs on many continents and offers digital content delivery, live and on-demand video, cloud security and edge computing services.

Products

  • Yes = Yes
  • Sortof/partially = Sort of/partially
  • No = No
  • Unknown = Unknown
Product CenturyLink Limelight
Dynamic content deliveryNon-cacheable content delivery. User login, shopping cart ... No Yes Web Acceleration Services
Small file deliveryStatic object delivery; caching of small files (file size <1 MB) Yes Yes Content Delivery Services
Large file deliveryStatic object delivery; caching of large files (file size >1 MB) Yes Yes Content Delivery Services
Live videoDelivery of live video. RTMP? Transcoding/transmuxing? Yes CDN Mesh Delivery Yes Realtime and Live Streaming
Video on demandDelivery of on demand video Yes CDN Mesh Delivery Yes Video Delivery Services
Image OptimizationAutomatic image transformation/compression/optimization No Extra costs Image Optimization optional
DNSAuthoritative DNS for customer domain No Yes Managed DNS Services
WAFWeb Application Firewall No Yes Web Application Firewall
Anti-DDoSDDoS attack protection. Specific product(s) for this. Yes Yes DDoS Attack Interceptor
Private CDNDedicated edge resources & custom configs No Yes Global Private CDN
Edge ComputeRun your code on CDN edge servers Unknown Yes Network-Enhanced Edge Compute

Network

Region CenturyLink Limelight
North America 29 20
Latin America 9 9
Europe 36 15
Russia & CIS 0 0
Asia excl. China 7 16
China 0 10
Oceania 4 3
Middle-East 4 9
Africa 3 3

Pricing

Pricing & contract duration CenturyLink Limelight
Minimum contract term 12 months 12 months
Minimum monthly costs Unknown Varies by product and service
Requests costsCustomers pay for client to CDN requests None None
Ingress costsCustomers pay for origin-to-CDN bytes transferred None Yes
NA/EU traffic (low volume) Unknown Confidential, market competitive
APAC traffic (low volume) Unknown Confidential, market competitive
LATAM traffic (low volume) Unknown Confidential, market competitive

Features

  • Yes = Yes
  • Sortof/partially = Sort of/partially
  • No = No
  • Extra costs = Extra costs
  • Unknown = Unknown
Web acceleration CenturyLink Limelight
Instant setupSign up, configure, start testing. No Can't sign up and get started. Must talk to sales. Yes
Change propagation delayHow fast do config changes propagate to all POPs? Unknown Sortof/partially A few minutes
Apex/root domain OK Blog: Root domain on CDN and performanceNo performance degradation when using http(s)://domain.com No No global Anycast Extra costs Alias support optional
HTTP/2 No Yes
IPv6Do the edge servers have IPv6? Unknown Yes
Compression CDN Guide: CompressionReduce file size for faster delivery Sortof/partially Resend from origin only
tooltip Does not compress on the edge
Yes Resend from origin, or compress on edge
Origin pull - protocolHTTP only or HTTPS possible too? Yes HTTP and HTTPS. Yes HTTP and HTTPS.
tooltip Match protocol
Origin pull - Host headerUse client > edge value? Set specific value? Yes Configure specific other Host header
tooltip CDN can also forward client request Host header to origin
Yes Configure specific other Host header
tooltip CDN can also forward client request Host header to origin
Origin ShieldOne POP pulls from origin, other POPs pull from the shield POP Extra costs Yes Self-service control
Push / uploadStore your content directly on CDN, no customer origin Extra costs FTP, SFTP, rsync. Storage costs apply Extra costs Origin Storage. Upload via UI or API
Cache control - CDN caching Sortof/partially Yes
Cache control - client caching Sortof/partially Yes
Serve Stale CDN Guide: Serve StaleCDN serves cached but expired content in case origin is in trouble Unknown Yes
Purge CDN Guide: PurgeInvalidate or delete cached objects on CDN Yes Instant Yes Instant
Purge - capabilities Sortof/partially Purge all but not purge by directory or tag or header Yes Purge by path, all, pattern, wildcard.
Analytics Yes Yes
Log files Yes
tooltip Logs are 24h delayed
Extra costs Download logs via FTP, SFTP, rsync and scp
tooltip Delay is ~10 minutes
API Sortof/partially Purge, analytics, configuration (but limited) Yes Purge, analytics, configuration, OVP, origin storage
HTTPS & Content Protection CenturyLink Limelight
CDN domain HTTPSUse the CDN's domain, like cloudfront.net No Yes Free. SNI
Customer domain HTTPSYour domain in the CDN's certificate Extra costs Extra costs
Customer cert HTTPSYour certificate on the CDN Extra costs Extra costs
Token authentication Extra costs Yes MediaVault. Highly customizable
Geo blocking Extra costs Yes IP access control by Geo and IP
Hotlink protectionThird parties cannot deeplink to your content Unknown Yes MediaVault. Highly customizable
Basic authenticationUser logs in on the CDN to get content Unknown Yes MediaVault. Highly customizable
IP white/blacklisting Unknown Yes MediaVault. Highly customizable

Support

Customer support CenturyLink Limelight
Documentation Sortof/partially Yes, but not public Sortof/partially Yes, but not public
Humans Yes All customers get 24/7 email and phone support Yes All customers get 24/7 email and phone support. Customers who purchase Advanced Services have access to a designated Limelight Advanced Services team member.