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Tata Communications versus CenturyLink

Easily compare Tata Communications 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.

Tata Communications logo CenturyLink logo

Company

Company Tata Communications CenturyLink
Short profile Tata Communications is a full service, carrier grade, global CDN that has been in operation since their acquisition of BitGravity in 2012. The CDN rides on Tata’s global infrastructure which is the largest Tier 1 network in the world. Tata’s ownership of the network and peering relationships enable it to be very competitive when it comes to price. 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 Tata Communications CenturyLink
Dynamic content deliveryNon-cacheable content delivery. User login, shopping cart ... Yes Dynamic Site Acceleration No
Small file deliveryStatic object delivery; caching of small files (file size <1 MB) Yes Whole Site Acceleration Yes
Large file deliveryStatic object delivery; caching of large files (file size >1 MB) Yes Large Object Rapid Delivery Yes
Live videoDelivery of live video. RTMP? Transcoding/transmuxing? Yes Live Streaming Yes CDN Mesh Delivery
Video on demandDelivery of on demand video Yes Video On Demand Yes CDN Mesh Delivery
Image OptimizationAutomatic image transformation/compression/optimization Yes No
DNSAuthoritative DNS for customer domain No No
WAFWeb Application Firewall Yes CDN Security No
Anti-DDoSDDoS attack protection. Specific product(s) for this. Yes CDN Security Yes
Private CDNDedicated edge resources & custom configs No No
Edge ComputeRun your code on CDN edge servers Unknown Unknown

Network

Region Tata Communications CenturyLink
North America 8 29
Latin America 0 9
Europe 4 36
Russia & CIS 0 0
Asia excl. China 10 7
China 0 0
Oceania 1 4
Middle-East 1 4
Africa 0 3

Pricing

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

Features

  • Yes = Yes
  • Sortof/partially = Sort of/partially
  • No = No
  • Extra costs = Extra costs
  • Unknown = Unknown
Web acceleration Tata Communications 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 <10 minutes Unknown
Apex/root domain OK Blog: Root domain on CDN and performanceNo performance degradation when using http(s)://domain.com Yes Global Anycasted network
tooltip Tata recommends against root domain though, as they may make changes in DNS at any time
No No global Anycast
HTTP/2 No End of 2017 No
IPv6Do the edge servers have IPv6? Unknown Unknown
Compression CDN Guide: CompressionReduce file size for faster delivery Sortof/partially Resend from origin
tooltip Always fetch compressed from origin
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 Yes HTTP and HTTPS.
Origin pull - Host headerUse client > edge value? Set specific value? Sortof/partially Can't configure specific other Host header 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 Tiered architecture, not single POP shield
tooltip Tata support is needed to enable/configure this
Extra costs
Push / uploadStore your content directly on CDN, no customer origin No Extra costs FTP, SFTP, rsync. Storage costs apply
Cache control - CDN caching Yes Full and granular control Sortof/partially
Cache control - client caching Yes Full and granular control Sortof/partially
Serve Stale CDN Guide: Serve StaleCDN serves cached but expired content in case origin is in trouble Sortof/partially
tooltip Tata support is needed to enable/configure this
Unknown
Purge CDN Guide: PurgeInvalidate or delete cached objects on CDN Yes No longer than 2 mins, often much faster Yes Instant
Purge - capabilities Sortof/partially Purge all, purge by directory, not by tag or header Sortof/partially Purge all but not purge by directory or tag or header
Analytics Yes Many metrics in the UI
tooltip 2 seconds refresh ('instant') possible at extra charge
Yes
Log files Sortof/partially Refreshed every 24h. Available via FTP
tooltip 15m refresh possible at extra charge
Yes
tooltip Logs are 24h delayed
API Sortof/partially Purge, configuration. Not analytics Sortof/partially Purge, analytics, configuration (but limited)
HTTPS & Content Protection Tata Communications CenturyLink
CDN domain HTTPSUse the CDN's domain, like cloudfront.net No No
Customer domain HTTPSYour domain in the CDN's certificate No Extra costs
Customer cert HTTPSYour certificate on the CDN Extra costs SNI. Pricing is custom.
tooltip Update cert via UI or API
Extra costs
Token authentication Extra costs Extra costs
Geo blocking Yes Extra costs
Hotlink protectionThird parties cannot deeplink to your content Yes Their support team is needed Unknown
Basic authenticationUser logs in on the CDN to get content No Unknown
IP white/blacklisting Yes White or black listing. IP addresses and CIDR blocks
tooltip Customer can configure self in UI
Unknown

Support

Customer support Tata Communications CenturyLink
Documentation Sortof/partially Some documentation, 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