by Johan De Gelas
TCO and ROI have been abused repeatedly by sales representatives, in the hope of getting you to swallow the sometimes outrageously high pricing on their quotation for a trendy new technology. However, server virtualization is one of the few ICT technologies that really lives up to its hype. The cost savings are real and the TCO is great, as long as you obey a few basic rules like not installing bloatware or extremely large memory limited databases. There is more.