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CenturyLink versus Cloudflare

Easily compare CenturyLink and Cloudflare 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 Cloudflare logo

Company

Company CenturyLink Cloudflare
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. Cloudflare provides a global CDN with unique performance capabilities and a strong focus on security. The company has a global infrastructure built from the ground up using only next-generation, high-performance equipment—no legacy software or hardware. The result is a CDN that's easy to set up, affordable, and built to continuously adapt and integrate emerging technologies to meet future needs of everyone's Internet properties.

Products

  • Yes = Yes
  • Sortof/partially = Sort of/partially
  • No = No
  • Unknown = Unknown
Product CenturyLink Cloudflare
Dynamic content deliveryNon-cacheable content delivery. User login, shopping cart ... No Yes
Small file deliveryStatic object delivery; caching of small files (file size <1 MB) Yes Yes
Large file deliveryStatic object delivery; caching of large files (file size >1 MB) Yes Yes
Live videoDelivery of live video. RTMP? Transcoding/transmuxing? Yes CDN Mesh Delivery No
Video on demandDelivery of on demand video Yes CDN Mesh Delivery Yes Stream
Image OptimizationAutomatic image transformation/compression/optimization No Yes Image Resizing, Mirage, Polish
DNSAuthoritative DNS for customer domain No Yes DNS
WAFWeb Application Firewall No Yes Cloud Web Application Firewall
Anti-DDoSDDoS attack protection. Specific product(s) for this. Yes Yes DDoS Protection
Private CDNDedicated edge resources & custom configs No No
Edge ComputeRun your code on CDN edge servers Unknown Yes Workers

Network

Region CenturyLink Cloudflare
North America 29 43
Latin America 9 11
Europe 36 37
Russia & CIS 0 5
Asia excl. China 7 16
China 0 21
Oceania 4 5
Middle-East 4 10
Africa 3 9

Pricing

Pricing & contract duration CenturyLink Cloudflare
Minimum contract term 12 months None
Minimum monthly costs Unknown $0
Requests costsCustomers pay for client to CDN requests None None
Ingress costsCustomers pay for origin-to-CDN bytes transferred None None
NA/EU traffic (low volume) Unknown $0
APAC traffic (low volume) Unknown $0
LATAM traffic (low volume) Unknown $0

Features

  • Yes = Yes
  • Sortof/partially = Sort of/partially
  • No = No
  • Extra costs = Extra costs
  • Unknown = Unknown
Web acceleration CenturyLink Cloudflare
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 Yes Instant
Apex/root domain OK Blog: Root domain on CDN and performanceNo performance degradation when using http(s)://domain.com No No global Anycast Yes Global Anycast network
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
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 Can be an IP address
Origin ShieldOne POP pulls from origin, other POPs pull from the shield POP Extra costs Extra costs Tiered Cache; part of the paid add-on Argo
Push / uploadStore your content directly on CDN, no customer origin Extra costs FTP, SFTP, rsync. Storage costs apply No
Cache control - CDN caching Sortof/partially Yes Page rules for overriding caching headers
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 Sortof/partially Only 'stale while revalidate'
Purge CDN Guide: PurgeInvalidate or delete cached objects on CDN Yes Instant Yes ~ 5 seconds
Purge - capabilities Sortof/partially Purge all but not purge by directory or tag or header Sortof/partially Purge per file and purge all
Analytics Yes Yes Web analytics, threats and more
Log files Yes
tooltip Logs are 24h delayed
Extra costs Only for Enterprise customers
API Sortof/partially Purge, analytics, configuration (but limited) Yes Purge, analytics, configuration
HTTPS & Content Protection CenturyLink Cloudflare
CDN domain HTTPSUse the CDN's domain, like cloudfront.net No Yes SNI
Customer domain HTTPSYour domain in the CDN's certificate Extra costs Extra costs More info
Customer cert HTTPSYour certificate on the CDN Extra costs Extra costs
Token authentication Extra costs Yes More info
Geo blocking Extra costs Yes Access Rules
Hotlink protectionThird parties cannot deeplink to your content Unknown Yes
Basic authenticationUser logs in on the CDN to get content Unknown Unknown
IP white/blacklisting Unknown Yes Access Rules

Support

Customer support CenturyLink Cloudflare
Documentation Sortof/partially Yes, but not public Yes Yes, public. Cloudflare Community.
Humans Yes All customers get 24/7 email and phone support Sortof/partially Email support for all. Phone only for Enterprise customers