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keepalived

Submitted by doug on Thu, 2007-10-18 18:55.Networking

A project to add a strong & robust keepalive facility to the Linux Virtual Server project

www.keepalived.org/

Sun, 2002-04-14 18:00

load balance keep alive user space VRRP redundancy

Mature

The main goal of the keepalived project is to add a strong & robust keepalive facility to the Linux Virtual Server project. This project is written in C with multilayer TCP/IP stack checks. Keepalived implements a framework based on three family checks : Layer3, Layer4 & Layer5/7. This framework gives the daemon the ability of checking a LVS server pool states. When one of the server of the LVS server pool is down, keepalived informs the linux kernel via a setsockopt call to remove this server entrie from the LVS topology. In addition keepalived implements an independent VRRPv2 stack to handle director failover. So in short keepalived is a userspace daemon for LVS cluster nodes healthchecks and LVS directors failover.

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