Load Balancer Update « Barry on WordPress

http://barry.wordpress.com/2008/04/28/load-balancer-update/ an entry from wordpress.com sysadim about “So… A couple weeks ago we finished converting all our load balancers to Nginx. "

Setting Up A High-Availability Load Balancer (With Failover and Session Support) With HAProxy/Keepalived On Debian Etch | HowtoForge - Linux Howtos and Tutorials

http://www.howtoforge.com/haproxy_loadbalancer_debian_etch Interesting setup using HAproxy, shared IP VRRP on Linux (debian)