Company

Company	CDNetworks	Tata Communications
Short profile	Founded in 2000, CDNetworks has been in the content delivery space longer than most other CDNs. CDNetworks always had, and still has, a strong focus on emerging markets like Brazil and Russia. CDNetworks has a wide range of content delivery/acceleration and security products.	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.

Products

• = Yes
• = Sort of/partially
• = No
• = Unknown

Product	CDNetworks	Tata Communications
Dynamic content deliveryNon-cacheable content delivery. User login, shopping cart ...	Dynamic Web Acceleration	Dynamic Site Acceleration
Small file deliveryStatic object delivery; caching of small files (file size <1 MB)	Content Acceleration	Whole Site Acceleration
Large file deliveryStatic object delivery; caching of large files (file size >1 MB)		Large Object Rapid Delivery
Live videoDelivery of live video. RTMP? Transcoding/transmuxing?	Media Acceleration	Live Streaming
Video on demandDelivery of on demand video	Media Acceleration	Video On Demand
Image OptimizationAutomatic image transformation/compression/optimization	Cloud Image Optimization
DNSAuthoritative DNS for customer domain	Cloud DNS+
WAFWeb Application Firewall	Web Application Firewall	CDN Security
Anti-DDoSDDoS attack protection. Specific product(s) for this.	DDoS Mitigation	CDN Security
Private CDNDedicated edge resources & custom configs
Edge ComputeRun your code on CDN edge servers	Edge Computing Platform

Network

Region	CDNetworks	Tata Communications
North America	11	8
Latin America	7	0
Europe	13	4
Russia & CIS	17	0
Asia excl. China	20	10
China	20	0
Oceania	1	1
Middle-East	9	1
Africa	4	0

Pricing

Pricing & contract duration	CDNetworks	Tata Communications
Minimum contract term	12 months	Unknown
Minimum monthly costs	Unknown	Unknown
Requests costsCustomers pay for client to CDN requests	Unknown	Unknown
Ingress costsCustomers pay for origin-to-CDN bytes transferred	Unknown	Unknown
NA/EU traffic (low volume)	Unknown	Unknown
APAC traffic (low volume)	Unknown	Unknown
LATAM traffic (low volume)	Unknown	Unknown

Features

• = Yes
• = Sort of/partially
• = No
• = Extra costs
• = Unknown

Web acceleration	CDNetworks	Tata Communications
Instant setupSign up, configure, start testing.	Can't sign up and get started. Must talk to sales.
Change propagation delayHow fast do config changes propagate to all POPs?	~ 15 minutes	<10 minutes
Apex/root domain OK No performance degradation when using http(s)://domain.com	Non-Anycasted network	Global Anycasted network Tata recommends against root domain though, as they may make changes in DNS at any time
HTTP/2		End of 2017
IPv6Do the edge servers have IPv6?
Compression Reduce file size for faster delivery	Resend from origin, or compress on edge	Resend from origin Always fetch compressed from origin
Origin pull - protocolHTTP only or HTTPS possible too?	HTTP and HTTPS	HTTP and HTTPS
Origin pull - Host headerUse client > edge value? Set specific value?	Configure specific other Host header CDN can also forward client request Host header to origin	Can't configure specific other Host header
Origin ShieldOne POP pulls from origin, other POPs pull from the shield POP	Multiple POPs can act as shield	Tiered architecture, not single POP shield Tata support is needed to enable/configure this
Push / uploadStore your content directly on CDN, no customer origin
Cache control - CDN caching	Full and granular control	Full and granular control
Cache control - client caching	Full and granular control	Full and granular control
Serve Stale CDN serves cached but expired content in case origin is in trouble		Tata support is needed to enable/configure this
Purge Invalidate or delete cached objects on CDN	Completion time is 5 - 10 minutes	No longer than 2 mins, often much faster
Purge - capabilities	Purge all, purge by directory, by file extension	Purge all, purge by directory, not by tag or header
Analytics		Many metrics in the UI 2 seconds refresh ('instant') possible at extra charge
Log files		Refreshed every 24h. Available via FTP 15m refresh possible at extra charge
API	Purge, analytics, configuration	Purge, configuration. Not analytics

HTTPS & Content Protection	CDNetworks	Tata Communications
CDN domain HTTPSUse the CDN's domain, like cloudfront.net
Customer domain HTTPSYour domain in the CDN's certificate
Customer cert HTTPSYour certificate on the CDN		SNI. Pricing is custom. Update cert via UI or API
Token authentication
Geo blocking
Hotlink protectionThird parties cannot deeplink to your content		Their support team is needed
Basic authenticationUser logs in on the CDN to get content
IP white/blacklisting		White or black listing. IP addresses and CIDR blocks Customer can configure self in UI

Support

Customer support	CDNetworks	Tata Communications
Documentation	Yes, but not public	Some documentation, not public
Humans	All customers get 24/7 email and phone support	All customers get 24/7 email and phone support.