Binary package “varnish” in ubuntu hardy

A state-of-the-art, high-performance HTTP accelerator

 varnish is the server-side alternative to Squid, written primarily with
 speed in mind, and with a look to implementing full ESI-support in
 a future release.
 .
 The goal of the Varnish project is to develop a state-of-the-art,
 high-performance HTTP accelerator.
 .
 Varnish is targeted primarily at the FreeBSD 6 and Linux 2.6 platforms, and
 will take full advantage of the advanced I/O features offered by these
 operating systems.