Closed source, write up would be here:
https://info.varnish-software.com/blog/introducing-varnish-t...
https://info.varnish-software.com/blog/introducing-varnish-t...
Ah, so we'll just have to trust you that it's doing anything at all, then.
> https://news.ycombinator.com/newsguidelines.html
Forgive me but can we not be skeptical of claims made about a commercial product?
It's also not helpful to post such a clichéd dismissal of what someone else says or their work. That's in the site guidelines too.