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Imperva versus Tata Communications

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

Imperva logo Tata Communications logo

Company

Company Imperva Tata Communications
Short profile Imperva's CDN (formerly Incapsula) makes your websites and applications faster, more reliable and safer. A global network of servers provides content caching, load balancing and failover, while an enterprise-grade cloud web application firewall and DDoS protection safeguard your site from the latest threats. 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

Product Imperva Tata Communications
Dynamic content deliveryNon-cacheable content delivery. User login, shopping cart ... Available/supported Partially
Small file deliveryStatic object delivery; caching of small files (file size <1 MB) Available/supported Available/supported
Large file deliveryStatic object delivery; caching of large files (file size >1 MB) Available/supported Available/supported
Live videoDelivery of live video. RTMP? Transcoding/transmuxing? Not available/supported Available/supported
Video on demandDelivery of on demand video Not available/supported Available/supported
Image OptimizationAutomatic image compression/optimization Available/supported Not available/supported
DNSAuthoritative DNS for customer domain Partially Not available/supported
WAFWeb Application Firewall Available/supported Not available/supported
Anti-DDoSDDoS attack protection. Specific product(s) for this. Available/supported Not available/supported
Private CDNDedicated edge resources & custom configs Not available/supported Not available/supported

Network

Region Imperva Tata Communications
North America 11 8
Latin America 2 0
Europe 12 4
Russia & CIS 1 0
Asia, excl China 11 10
China 0 0
Oceania 3 1
Middle-East 3 1
Africa 1 0

Pricing

Pricing & contract duration Imperva Tata Communications
Minimum contract term Unknown 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

Web acceleration Imperva Tata Communications
Instant setupSign up, configure, start testing. Available/supported Not available/supported
Change propagation delayHow fast do config changes propagate to all POPs? Available/supported Instant Partially <10 minutes
Apex/root domain OK Blog: Root domain on CDN and performanceNo performance degradation when using http(s)://domain.com Available/supported Anycasted network (regional) Available/supported Global Anycasted network
tooltip Tata recommends against root domain though, as they may make changes in DNS at any time
HTTP/2 Available/supported FAQ Not available/supported End of 2017
IPv6Do the edge servers have IPv6? Available/supported IPv6 support Unknown
Compression CDN Guide: CompressionReduce file size for faster delivery Compress on the edge Resend from origin
tooltip Always fetch compressed from origin
Origin pull - protocolHTTP only or HTTPS possible too? Available/supported HTTP and HTTPS.
tooltip Can be IP address
Available/supported HTTP and HTTPS
Origin pull - Host headerUse client > edge value? Set specific value? Available/supported Can configure specific other Host header.
tooltip Forward client request Host header is possible
Partially Can't configure specific other Host header
Origin shieldOne POP pulls from origin, other POPs pull from the shield POP Extra costs Extra costs Tiered architecture, not single POP shield
tooltip Tata support is needed to enable/configure this
Push / uploadStore your content directly on CDN, no customer origin Not available/supported Not available/supported
Cache control - CDN caching Available/supported Granular control/override rules possible Available/supported Full and granular control
Cache control - client caching Available/supported Granular control/override rules possible Available/supported Full and granular control
Serve stale CDN Guide: Serve staleCDN serves cached but expired content in case origin is in trouble Available/supported Partially
tooltip Tata support is needed to enable/configure this
Purge CDN Guide: PurgeInvalidate or delete cached objects on CDN Available/supported Instant Available/supported No longer than 2 mins, often much faster
Purge - capabilities Available/supported Purge all, by directory, by file extension, by tag(s) Partially Purge all, purge by directory, not by tag or header
Analytics Available/supported Real time perf and security events dashboard Available/supported Many metrics in the UI
tooltip 2 seconds refresh ('instant') possible at extra charge
Log files Available/supported Available via UI, API, or full SIEM integration
tooltip Logs are not delayed
Partially Refreshed every 24h. Available via FTP
tooltip 15m refresh possible at extra charge
API Available/supported Purge, analytics, configuration Partially Purge, configuration. Not analytics
HTTPS & Content Protection Imperva Tata Communications
CDN domain HTTPSUse the CDN's domain, like cloudfront.net Available/supported CDN and SSL/TLS Not available/supported
Customer domain HTTPSYour domain in the CDN's certificate Available/supported Not available/supported
Customer cert HTTPSYour certificate on the CDN Available/supported Extra costs SNI. Pricing is custom.
tooltip Update cert via UI or API
Token authentication Available/supported Via authentication header Extra costs
Geo blocking Available/supported Available/supported
Hotlink protectionThird parties cannot deeplink to your content Available/supported Available/supported Their support team is needed
Basic authenticationUser logs in on the CDN to get content Available/supported Two Factor Authentication Not available/supported
IP white/blacklisting Available/supported IP address/ranges/subnets, self-service in UI Available/supported White or black listing. IP addresses and CIDR blocks
tooltip Customer can configure self in UI

Support

Customer support Imperva Tata Communications
Documentation Available/supported Yes, public Partially Some documentation, not public
Humans Available/supported Imperva’s team of support engineers deliver technical assistance 24x7x365 via phone, email, or online via the self service portal Available/supported All customers get 24/7 email and phone support.