Red Hat CLUSTER SUITE - CONFIGURING AND MANAGING A CLUSTER 2006 User Manual download pdf (Page 22)

About Piranha & IPVS

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Piranha

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Front-end to IPVS (or LVS) which enables IPVS director failover

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Provides a web-based configuration GUI

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IPVS – does the heavy lifting

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Layer-4 (application) switching/routing

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Multiple scheduling algorithms: round-robin, weighted round-robin, least-

connections, weighted-least-connections, and more...

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Several routing topologies: NAT, Direct Routing, IP Tunneling

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DR and TUN are tricky to set up, and require configuration on the Real

Servers

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Red Hat CLUSTER SUITE - CONFIGURING AND MANAGING A CLUSTER 2006 User Manual Page 22