The hours flew by as Alex worked tirelessly, refining his design and verifying its functionality. He used ISE 10.1's built-in simulation tools to test the system, injecting faults and verifying that the design could recover. With each iteration, his confidence grew that his design would meet the stringent requirements.

With the project set up, Alex started designing the system's architecture. He created a block diagram, breaking down the system into manageable components. He defined the interfaces, the data paths, and the control logic. As he worked, he used ISE 10.1's built-in tools to analyze and simulate his design, ensuring that it was functional and efficient.

Finally, after days of intense work, Alex was ready to implement his design on the FPGA. He generated the bitstream, and with a sense of excitement, he downloaded it to the target device. The system powered up, and Alex watched in awe as the design sprang to life.