Keepalived is a routing software written in C. The main goal of this project is to
provide simple and robust facilities for loadbalancing and high-availability to Linux
system and Linux based infrastructures. Loadbalancing framework relies on well-known
and widely used Linux Virtual Server (IPVS)
kernel module providing Layer4 loadbalancing. Keepalived implements a set of checkers
to dynamically and adaptively maintain and manage loadbalanced server pool according
their health. On the other hand high-availability is achieved by
VRRP protocol. VRRP is a
fundamental brick for router failover. In addition, Keepalived implements a set of
hooks to the VRRP finite state machine providing low-level and high-speed protocol
interactions. Keepalived frameworks can be used independently or all together to
provide resilient infrastructures.
Keepalived is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version
2 of the License, or (at your option) any later version.
What is Keepalived ?
GRAB THE LATEST VERSION!
Keepalived main website doesn't offer package for any Linux distribution, it only
provides source code and code repository. Most of Linux distribution are offering
Keepalived package as a mainline package and package maintainers are making a great
job maintaining and reporting issues about it.
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