Pro nedockavce - jednoduchy cluster muzete postavit i na kombinaci sondy Heartbeat a service manageru Monit. "Howto" najdete na:
http://www.tildeslash.com/monit/monit.html#monit%20with%20heartbeat
Je to jedno z nejjednodussich reseni pro asymetricky cluster - specializovane komplexnejsi projekty se mohou nekdy hodit lepe (zalezi na situaci).
Ultra Monkey - http://www.ultramonkey.org/
- Layer 4 Switching using The Linux Virtual Server
- Easily expandable to a large number of IP based virtual services
- High Availability provided by Heartbeat protocol
- Service level monitoring using ldirectord
- Supports Highly Available and/or Load Balanced topologies with worked configuration examples
Super Sparrow - http://www.supersparrow.org/
- Uses BGP routing information to determine which point of presence a client should connect to.
- Routing information can be obtained from a Route Server running GNU Zebra, Gated or Cisco IOS.
- Driver module, mod_supersparrow, for Dents enables Super Sparrow enhanced sites to used DNS to communicate which server a client should connect to.
- Stand-alone programme, supersparrow, enables Super Sparrow to be integrated into applications that can communicate using stdio. This can be used to tie - Super Sparrow directly into The Apache HTTP Server.
- Library API to enable applications to be integrated with Super Sparrow.
