Little performance is given up to achieve this convenience. The overall performance of the KeyTECH/KeyNIX combination as seen from the user at the console is virtually indistinguishable from a “native” implementation of UNIX that does not have the checkpoint/restart feature.
The future is much brighter in the KeyTECH/KeyNIX environment than in the traditional UNIX environment as it is now possible to mix versions of UNIX and UNIX with high performance transaction processing on the same computer. The KeyTECH/KeyNIX environment allows for a level of security not possible with “native” UNIX implementations due to the nature of the KeyTECH architecture. A user will be able to migrate to new versions of UNIX without fear of losing valuable data or suffering prolonged unavailability of the computer system.
The KeyTECH Microkernel offers all of these advantages without sacrificing performance.