IDS已经用一个非阻塞检查点算法替代了它的检查点算法。
IDS has replaced its checkpoint algorithm with a virtually non-blocking checkpoint algorithm.
本文介绍了容错重算恢复技术中的向后滚动检查点算法。并针对减少系统开销的问题，提出了在虚拟存贮器中的一种实现方案。
This paper introduce the rollback checkpointing algorithm in the retry-recovery technique. In order to reduce the system overhead, it presents a scheme implementing in the virtual memory.
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