Distributed Vertical Model Integration

E Sistent financial pressures within the Department of Defense have sparked increasing interest in the promise of software reuse as a mechanism to achieve greater efficiency in developing and applying models and simulations to support the systems acquisition process. A perpetual obstacle to the widespread proliferation of reusable software code within 000 is that most existing, older-technology ("legacy") models are extremely difficult to reuse within more modem software architectures without significant redesign. This article reports results of an experiment demonstrating the utility of distributed computing environments as a means to reuse detailed software representations of systemor subsystem-level hardware components through direct access from less detailed (higher-order) models.