As is designed to solve synchronization and exclusion problem in distributed system, distributed exclusion algorithm should be provided with the competence of fault-tolerance.

• 分布式互斥算法旨在解决分布式系统的同步与互斥问题,应该具备在真实系统中的容错能力,本文针对系统中可能出现的错误与故障为改进算法设计了相应的容错方案。