Patent ID: 6971043
Filing Date: 2005-11-29
Classification: G06F,H04L

Abstract:
1. A fault-tolerant server comprising: (a) a communications link; (b) a first Central Processing Unit, (CPU), in electrical communication with the communications link and capable of transmitting a first information stream; (c) a second CPU, in electrical communication with the communications link and capable of transmitting a second information stream; (d) a first Input/Output (I/O) subsystem, in electrical communication with the first CPU, the second CPU and the communications link, configured to compare the first information stream and the second information stream; (e) a second Input/Output (I/O) subsystem in electrical communication with the first CPU, the second CPU and the communications link, configured to compare the first information stream and the second information stream; (f) a first local mass storage device in electrical communication with both the first CPU and the second CPU, and (g) a second local mass storage device in electrical communication with both the first CPU and the second CPU, wherein the first I/O subsystem is configured to selectively access the first local mass storage device based upon its comparison of the first and second information streams.