"Telecommunications carrier Optus today said it had
completed moving its cable broadband Internet service across to the
Optusnet network.
...The spokesman said the mail systems were housed on a pair of
Sun servers while part of the Excite@Home network. They now have
been migrated to a cluster of 22 redundant, load-balanced Linux
servers.
Two Sun servers handing DNS services for the Excite@Home network
also has been replaced by arrays of Linux boxes linked to a load
balancer in both Sydney and Melbourne."