Most SCADA software runs on Microsoft operating systems, so SCADA users have to deal with Microsoft's frequent security issues, patches, and upgrade cycles such as the recent end-of-support for Windows XP. The New SCADA, on the other hand, is the first SCADA software built entirely on Java programming, making it cross-platform compatible and easily web-deployable.
As a few Ignition integrators told us on a webinar, The New SCADA is the easiest to upgrade
View the Full Webinar Here - http://inductiveautomation.com/video/old-scada-vs-new-scada