[sekh]

This is a great idea! There are multiple tentatives of achieving the same feature with HTTP/2. A RFC is even being written https://www.ietf.org/archive/id/draft-bt-httpbis-reverse-htt...

HAProxy implements something similar in HTTP/2 with the 'rhttp@' keyword.

edit: wrong URL.

[GeorgeMac]

This is great! Thanks for sharing!

[sekh]

I just updated the URL which was the wrong one.