|Purge All||Unknown||Fully supported|
|Instant Purge||Unknown||Not supported|
|Control panel||Fully supported||Fully supported|
|Origin Push||Not supported||Not supported|
|Origin Pull||Fully supported||Fully supported|
|Origin Shield||Unknown||Fully supported|
|GZIP Compression||Fully supported||Fully supported|
|Custom Rules||Unknown||Fully supported|
|HTTP/2 Protocol||Not supported||Fully supported|
|SPDY Protocol||Not supported||Not supported|
|Raw Access Logs||Unknown||Upon request|
|Real time statistics||Unknown||Fully supported|
|Online signup||Not supported||Not supported|
|Custom CNAMEs||Fully supported||Fully supported|
|Shared SSL Certificates||Fully supported||Fully supported|
|Custom SSL Certificates||Fully supported||Fully supported|
|Wildcard SSL Certificates||Fully supported||Not supported|
|Support||24/7/365 customer service||Phone and Email support|
|Video On Demand (VoD)||Fully supported||Not supported|
|RTMP Streaming||Fully supported||Not supported|
|Multiple CDNs||Not supported||Not supported|
|CDN balancing tech||Not supported||Not supported|
|Storage||Fully supported||Fully supported|
|Global flat fee||N/A||N/A|
|NA/EU Traffic (low volume)||N/A||N/A|
|NA/EU Traffic (high volume)||N/A||N/A|
Tata Communications, a company of Indian multinational Tata Group, offers a CDN service with 400 points-of-presence (PoPs) on five continents, in 21 locations. Tata owns and operates an impressive network infrastructure, with their sub-terrestrial and sub-sea network spanning 700,000 kilometers - more than 17 times around the world. According to the company, 24% of the planet’s internet routes are on their network, which grants improved performance and flexibility.
In 2011, Tata Communications acquired BitGravity - a US-based CDN provider founded in 2006. BitGravity. The companies had been in a strategic alliance leading up to the acquisition, and the move was a logical next step for Tata Communications to improve its global CDN offering. Remnants of BitGravity can still be found, such as the Tata Communications CDN support portal.
Tata Communications offers a wide range of CDN features such as live streaming and video-on-demand (VOD), an out-of-the-box online video platform, site acceleration and software delivery. They also provide DDoS and security services, hosting, colocation and transit.
In 2014, Comcast debuted their CDN service. With their own CDN in place, Comcast can deliver a better experience to their already existing consumer base. Unique in the CDN landscape, we can label Comcast a B2C CDN service provider.
As the ISP, cable owner and CDN provider, Comcast is able to offer an excellent SLA and potentially lower pricing, when compared to 3rd party CDN providers who do not own the network they operate on.
The Comcast CDN is regional and offers PoPs within the US only. The CDN service is therefore not suited for businesses with a global userbase, unless it is combined with other CDN providers in a multi-CDN setup. Warpcache is a multi-CDN provider that offers the Comcast CDN in combination with others.
Comcast is a very suitable provider for a multi-CDN setup. Warpcache resells multiple providers, both in an integrated multi-CDN solution and separately.