Linked by Thom Holwerda on Fri 19th May 2006 19:36 UTC, submitted by Jan Schaumann
NetBSD NetBSD's Liam J. Foy has ported CARP from OpenBSD and committed it into NetBSD-current. CARP is a secure, free alternative to the Virtual Router Redundancy Protocol and the Hot Standby Router Protocol. CARP works by allowing a group of hosts on the same network segment (known as 'redundancy group') to share an IP address, and in the event that the master host suffers a failure, the IP will move to one of the backups hosts and the service will continue unaffected.
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