There are some computing systems that require high availability. Telecommunication systems are a good example. They require 24 hours a day and 365 days a year service availability and their downtime should not exceed five minutes per year and that includes hardwar...

A transformation is taking place in telecommunications to meet the demands of new voice and data technologies. These technologies include Voice-over-IP (VoIP), the packet-switched alternative to old-fashioned circuit-switched telephony. To enable VoIP traffic,...