In addition to adopting a true three-tier architecture in which presentation management, business logic, and data storage are all independent of each other. In order to fully appreciate the impact that a migration off a Unisys 2200 mainframe will have on your business, one must take a very close look at not only your operating costs, but also how the use of a 2200 is holding your company back in the fast paced world of the 22nd century. Parts are available from just one source and a high premium is paid to service proprietary technology. Software licensing is very expensive for the 2200 Series. Many separate software components, all proprietary, must be paid for on a subscription basis.
Costs escalate rapidly for adding capacity, such as users or CPU s.
By contrast, UNIX is available as a public domain offering at no cost, or very little cost for branded offerings. HVAC and electrical costs are very high for mainframe-style systems like the 2200. They also require sophisticated raised-floor environments and take up a lot of space. Unisys appears to be slowly getting out of the mainframe hardware business, the future for the 2200 Series is limited as some models are now under announced obsolescence. Hardware performance is lagging industry developments, especially on non-ClearPath machines.