Keepalived for Linux Add a strong & robust keepalive facility to the Linux Virtual Server project.
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virtual server Virtual linux keepalive facility Layer3 framework Keepalived

Keepalived for Linux Description

Add a strong & robust keepalive facility to the Linux Virtual Server project. Keepalived for Linux project's goal 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.Why using Keepalived ?If your are using a LVS director to loadbalance a server pool in a production environnement, you may want to have a robust solution for healthcheck & failover. Requirements: · Linux Virtual Server 1.0.2 What's New in This Release: · A segfault issue while parsing virtual_server was fixed. SIGCHLD handling upton reload was fixed. · VRRP nopreempt from FAULT state was fixed.

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