Title: The survey on Fault tolerance mechanism and recovery approach in distributed systems

This paper describes diverse fault tolerance mechanism and express the connection between fault tolerance and two of the most important non-functional requirement. For avoid the fault we propose Preventive techniques and some Curative technique for cure the faults. Fault tolerance is the realization that we will always have faults in our system and that we have to design the system in such a way that it will be tolerant of those faults. That is, the system should compensate for the faults and continue to function. Error detection mechanisms form the basis of an error resilient system as any fault during operation needs to be detected first before the system can take a corrective action to tolerate it. The general approach to building fault tolerant systems is redundancy. In order to achieve the highest efficiency in fault tolerance mechanism we enumerate most of popular recovery technique in this paper and Based on our system characterized we choose one of them.

Keywords:

Fault tolerance , Error detection , Fault recovery , failure masking , non-functional requirement