Approximate description of the cloud gaming service?

Question

Cloud computing

Take the playkey service
How does such ultra-fast image transfer and button press postback work. How does it work in the cloud? quickly unfolding, etc.
It would be interesting to read how it all works for general development)
I would be happy with both links and a brief description from knowledgeable people!

Answer 1

Haven't looked at how they actually do it.
But the fastest way to transfer data (any) in browsers without flash now is WebRTC