Is there any proposal or roadmap how can current ETH blockchain be used by real enterprises? Just curious...
So let me be a CEO of a small organization in telecommunication (a local internet provider, for example). How can I use ethereum blockchain to improve my business?
You're asking for the use cases of
blockchain here, which you can find easily with a google search. Why Ethereum for those use cases though? Ethereum happens to be the blockchain of choice to enable those use cases, because of many factors (the unique tech, the incredible talent of eth developers, planned development and features, etc.).
Take the work Microsoft is doing: integration into Azure, so that any developer can quickly and easily spin up a blockchain "template" (based on Ethereum's protocol of course), work on it, test it, and deploy it, all within an industry-wide recognized environment.
More details to your question:
http://spectrum.ieee.org/tech-talk/computing/networks/enterprise-ethereum-alliance-launches