Company

Company	Tata Communications	BaishanCloud
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.	BaishanCloud is a leading provider of cloud data services in China and around the world. As the only service provider based in China to be recognized by Gartner as possessing 'global' network capabilities, BaishanCloud is one of the fastest growing companies in the CDN space.

Products

Product	Tata Communications	BaishanCloud
Dynamic content deliveryNon-cacheable content delivery. User login, shopping cart ...
Small file deliveryStatic object delivery; caching of small files (file size <1 MB)
Large file deliveryStatic object delivery; caching of large files (file size >1 MB)
Live videoDelivery of live video. RTMP? Transcoding/transmuxing?
Video on demandDelivery of on demand video
Image OptimizationAutomatic image compression/optimization
DNSAuthoritative DNS for customer domain
WAFWeb Application Firewall
Anti-DDoSDDoS attack protection. Specific product(s) for this.
Private CDNDedicated edge resources & custom configs

Network

Region	Tata Communications	BaishanCloud
North America	8	21
Latin America	0	8
Europe	4	22
Russia & CIS	0	10
Asia, excl China	10	25
China	0	350
Oceania	1	1
Middle-East	1	7
Africa	0	6

Pricing

Pricing & contract duration	Tata Communications	BaishanCloud
Minimum contract term	Unknown	No minimum
Minimum monthly costs	Unknown	No minimum
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	$0.05 per GB
APAC traffic (low volume)	Unknown	$0.10 per GB
LATAM traffic (low volume)	Unknown	$0.14 per GB

Features

Web acceleration	Tata Communications	BaishanCloud
Instant setupSign up, configure, start testing.		Account creation requires a BaishanCloud employee's assistance
Change propagation delayHow fast do config changes propagate to all POPs?	<10 minutes	30 minutes
Apex/root domain OK No performance degradation when using http(s)://domain.com	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 Always fetch compressed from origin	Resend, or compress on edge Fetch compressed or uncompressed from origin (configurable)
Origin pull - protocolHTTP only or HTTPS possible too?	HTTP and HTTPS	HTTP and HTTPS
Origin pull - Host headerUse client > edge value? Set specific value?	Can't configure specific other Host header	Configure specific other Host header CDN can also forward client request Host header to origin
Origin shieldOne POP pulls from origin, other POPs pull from the shield POP	Tiered architecture, not single POP shield Tata support is needed to enable/configure this
Push / uploadStore your content directly on CDN, no customer origin		Upload in the portal or via API
Cache control - CDN caching	Full and granular control	By default, CDN honors origin headers Full and granular control is possible
Cache control - client caching	Full and granular control	By default, CDN honors origin headers Full and granular control is possible
Serve stale CDN serves cached but expired content in case origin is in trouble	Tata support is needed to enable/configure this	Cache-Control extensions support
Purge Invalidate or delete cached objects on CDN	No longer than 2 mins, often much faster	Instantly
Purge - capabilities	Purge all, purge by directory, not by tag or header	Purge all, purge by directory. Purge by tag/key is in development
Analytics	Many metrics in the UI 2 seconds refresh ('instant') possible at extra charge	Many metrics in the UI
Log files	Refreshed every 24h. Available via FTP 15m refresh possible at extra charge	Logs for a day can be downloaded the next day. Free
API	Purge, configuration. Not analytics	Purge, configuration, analytics

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

Support

Customer support	Tata Communications	BaishanCloud
Documentation	Some documentation, not public	Good documentation but not public
Humans	All customers get 24/7 email and phone support.	All customers get 24/7 email support. Phone support is free and available in English during US business hours and 24/7 in Chinese language.