Fault-Tolerance Basic definition Fault-tolerant systems ideally systems capable of executing their tasks correctly regardless of either hardware failures or software errors +In practice we can never guarantee the flawless execution of tasks under any circumstances Limit ourselves to types of failures and errors which are more likely to occur Part.1.4 Qiang Xu CUHK,Fall 2012Part.1 .4 Qiang Xu CUHK, Fall 2012 Fault-Tolerance - Basic definition Fault-tolerant systems - ideally systems capable of executing their tasks correctly regardless of either hardware failures or software errors In practice - we can never guarantee the flawless execution of tasks under any circumstances Limit ourselves to types of failures and errors which are more likely to occur