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CacheFly versus CenturyLink

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

CacheFly logo CenturyLink logo

Company

Company CacheFly CenturyLink
Short profile Launched in 2002, CacheFly developed the world's first TCP-anycast based content delivery network. CacheFly has a focus on optimizing the CDN for throughput and has steadily built out the network to now have 50+ POPs on 6 continents. CacheFly provides a 100% uptime SLA and takes pride in acting as 'consultants to our customers'. 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.

Products

  • Yes = Yes
  • Sortof/partially = Sort of/partially
  • No = No
  • Unknown = Unknown
Product CacheFly CenturyLink
Dynamic content deliveryNon-cacheable content delivery. User login, shopping cart ... Yes No
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 Ultra Low Latency Video Streaming Yes CDN Mesh Delivery
Video on demandDelivery of on demand video Yes VoD Yes CDN Mesh Delivery
Image OptimizationAutomatic image transformation/compression/optimization Yes part of Smart Edge Apps No
DNSAuthoritative DNS for customer domain No No
WAFWeb Application Firewall Yes Security Suite
tooltip Powered by Oracle Dyn Web Application Security services (formerly Zenedge)
No
Anti-DDoSDDoS attack protection. Specific product(s) for this. Yes Security Suite
tooltip Powered by Oracle Dyn Web Application Security services (formerly Zenedge)
Yes
Private CDNDedicated edge resources & custom configs Yes Fully custom solution No
Edge ComputeRun your code on CDN edge servers Yes Smart Edge Apps Unknown

Network

Region CacheFly CenturyLink
North America 17 29
Latin America 7 9
Europe 14 36
Russia & CIS 1 0
Asia excl. China 7 7
China 2 0
Oceania 3 4
Middle-East 4 4
Africa 1 3

Pricing

Pricing & contract duration CacheFly CenturyLink
Minimum contract term 1 month 12 months
Minimum monthly costs $595 (35 TB/m) Unknown
Requests costsCustomers pay for client to CDN requests No None
Ingress costsCustomers pay for origin-to-CDN bytes transferred Yes None
NA/EU traffic (low volume) n/a Unknown
APAC traffic (low volume) n/a Unknown
LATAM traffic (low volume) n/a Unknown

Features

  • Yes = Yes
  • Sortof/partially = Sort of/partially
  • No = No
  • Extra costs = Extra costs
  • Unknown = Unknown
Web acceleration CacheFly CenturyLink
Instant setupSign up, configure, start testing. No No Can't sign up and get started. Must talk to sales.
Change propagation delayHow fast do config changes propagate to all POPs? Sortof/partially 5 - 180s depending on the change Unknown
Apex/root domain OK Blog: Root domain on CDN and performanceNo performance degradation when using http(s)://domain.com Extra costs Must purchase dedicated IP
tooltip Or use DNS provider that can do CNAME flattening
No No global Anycast
HTTP/2 Yes No
IPv6Do the edge servers have IPv6? No Unknown
Compression CDN Guide: CompressionReduce file size for faster delivery Yes Resend from origin, or compress on edge Sortof/partially Resend from origin only
tooltip Does not compress on the edge
Origin pull - protocolHTTP only or HTTPS possible too? Yes HTTP and HTTPS
tooltip Match client to edge request protocol is possible
Yes HTTP and HTTPS.
Origin pull - Host headerUse client > edge value? Set specific value? Yes Set specific Host header value or forward value from client to edge request 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 Yes Extra costs
Push / uploadStore your content directly on CDN, no customer origin Extra costs FTP. Some storage free, more storage available at additional costs Extra costs FTP, SFTP, rsync. Storage costs apply
Cache control - CDN caching Yes Origin headers are honored. Can config overrides Sortof/partially
Cache control - client caching Yes Origin headers are forwarded to client. Can config overrides Sortof/partially
Serve Stale CDN Guide: Serve StaleCDN serves cached but expired content in case origin is in trouble Yes CacheFly support team can activate this edge behaviour Unknown
Purge CDN Guide: PurgeInvalidate or delete cached objects on CDN Yes Instant (under 5s) Yes Instant
Purge - capabilities Sortof/partially Purge all and by directory, not by tag or header Sortof/partially Purge all but not purge by directory or tag or header
Analytics Yes Near real-time, lots of metrics Yes
Log files Extra costs Pull via FTP or have pushed to customer endpoint
tooltip Logs are 5 minutes delayed
Yes
tooltip Logs are 24h delayed
API Yes Purge, analytics, configuration Sortof/partially Purge, analytics, configuration (but limited)
HTTPS & Content Protection CacheFly CenturyLink
CDN domain HTTPSUse the CDN's domain, like cloudfront.net Yes Free No
Customer domain HTTPSYour domain in the CDN's certificate Extra costs Custom pricing Extra costs
Customer cert HTTPSYour certificate on the CDN Extra costs EV cert and/or Non-SNI possible Extra costs
Token authentication Yes Self-service activation/configuration Extra costs
Geo blocking Yes Self-service activation/configuration. Predefined and custom rules Extra costs
Hotlink protectionThird parties cannot deeplink to your content Yes Unknown
Basic authenticationUser logs in on the CDN to get content Extra costs Available in a Custom/Private CDN scenario Unknown
IP white/blacklisting Yes Custom rules can be scripted (by support team at no extra charge) Unknown

Support

Customer support CacheFly CenturyLink
Documentation Yes Yes, public Sortof/partially Yes, but not public
Humans Yes All customers get 24/7 email and phone support and a dedicated implementation/solutions engineer. Extra support ('Elite managed') available at a fee with SLA for support response time Yes All customers get 24/7 email and phone support