AC Nielsen ORG-MARG find Microsoft Windows system much better then Linux server. AC Nielsen has adopted Windows Server 2003 and Microsoft Exchange Server 2003 for more reliable, faster and efficient messaging solution over then previous linux based system. The source said, email delivery time has been reduced significantly from 2 hours to 8 seconds. AC Nielsen source also says, The new solution much more reliable, cost savings then the previous system.
Microsoft define four characteristics that technology decision-makers and IT professionals consider to be essential attributes for any IT platform. The attributes are: Total cost of ownership (TCO), Security, Reliability and Interoperability.