Wiki hilsz.com: UCARP

http://www.ucarp.org

http://iarlyy.wordpress.com/2010/03/11/ip-failover-with-ucarp-centos
http://nareshov.wordpress.com/2011/12/22/ucarp-for-ip-failover-on-centos-6

https://admin.fedoraproject.org/pkgdb/builds/show/F-14-i386/ucarp/0/1.5.2/1.fc14/i686

http://en.wikipedia.org/wiki/Common_Address_Redundancy_Protocol

http://valeriytroshin.blogspot.fr/2011/08/carp-failover-redundancy-in-ubuntu-1104.html

http://www.misdivision.com/blog/setting-up-a-highly-available-storage-cluster-using-glusterfs-and-ucarp

http://laurentbel.com/2012/04/04/simple-failover-cluster-on-ubuntu-using-carp

http://ucarp.sourcearchive.com/documentation/1.5-2