Back-end Performance
by Bruno Skvorc, Christopher Pitt, Tonino Jankov, Reza Lavaryan, Daniel Berman
Chapter 7: How to Boost Your Server Performance with Varnish
by Tonino Jankov
Varnish Cache is an HTTP accelerator and reverse proxy developed by Danish consultant and FreeBSD core developer Poul-Henning Kamp, along with other developers at Norwegian Linpro AS. It was released in 2006.
According to Pingdom.com, a company focused on web performance, in 2012 Varnish was already famous among the world's top websites for its capacity to speed up web delivery, and it was being used by sites such as Wired, SlideShare, Zappos, SoundCloud, Weather.com, Business Insider, Answers.com, Urban Dictionary, MacRumors, DynDNS, OpenDNS, Lonely Planet, Technorati, ThinkGeek and Economist.com.
It is licensed under a two-clause BSD license. Varnish has a premium ...