“Varnish can do a lot of things, but it's mostly known as a reverse HTTP proxy. It brands itself as an HTTP accelerator, making HTTP requests faster by caching them. It can also serve as a TCP load balancer (using pipe in the VCL code, more on that later), an HTTP load balancer or a generic reverse p…”— Mattias Geniar, ma.ttias.beTagged: Varnish, Cache, HTTP