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This is a pure-python TCP load balancer. It takes inbound TCP
connections and connects them to one of a number of backend servers.
Features:
* async i/o based, so much less overhead than fork/thread based
balancers.
* Multiple scheduling algorithms (random, round robin, leastconns,
leastconns+roundrobin)
* If a server fails to answer, it's removed from the pool - the
client that failed to connect gets transparently failed over to a
new host.
* xml based configuration file
* seperate management thread that periodically re-adds failed hosts
if they've come back up.
* optional builtin webserver for admin (sample of the running
screen)
* webserver has methods suitable for both interactive and automated
systems
WWW: http://pythondirector.sourceforge.net/
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