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随着许多领域对计算机系统的实时性能和可靠性要求的不断提高， 故障恢复技术显得尤为重要。本文论述了分布式实时系统中的前向恢复技术， 着重讨论了在实时、高可用的双工系统中的前向恢复技术。
With many areas of real-time performance and reliability requirements of computer systems continue to improve, fault recovery technology is particularly important. This paper discusses the forward recovery technology in distributed real-time systems, and focuses on the forward recovery technology in real-time and highly available duplex systems.