IBM 440 manual Reduced technical complexity

–Implementing critical new solutions that may enable a competitive edge is easier.

￿Reduced technical complexity

Three-tier logical architectures tend, in practice, to become five-tier architectures (client, local server, central server, gateway, and enterprise server). Server consolidation can simplify technical complexities by eliminating the true number of tiers in a purported three-tier architecture by reducing or eliminating central servers and gateways.

Chapter 2. Positioning 61