haproxy and keepalived

http://kaivanov.blogspot.com/2012/02/building-ha-load-balancer-with-haproxy.html

MySQL Galera Gluster toàn tập

http://www.fromdual.com/building-galera-replication-from-scratch
http://www.sebastien-han.fr/blog/2012/04/01/mysql-multi-master-replication-with-galera/
http://www.codership.com/wiki/doku.php?id=info
http://codership.com/content/using-galera-cluster
http://www.percona.com/files/presentations/percona-live/nyc-2012/PLNY12-galera-cluster-best-practices.pdf
http://www.severalnines.com/blog/scaling-drupal-multiple-servers-galera-cluster-mysql
http://www.percona.com/live/mysql-conference-2012/sessions/how-evaluate-which-mysql-high-availability-solution-best-suits-you
http://www.mysqlperformanceblog.com/2013/03/03/investigating-replication-latency-in-percona-xtradb-cluster/
Benchmark
http://www.mysqlperformanceblog.com/2011/10/13/benchmarking-galera-replication-overhead/
http://www.codership.com/files/presentations/Galera_Tutorial_UC2012.pdf