What is Fault Tolerance in Distributed System

The use of technology has increased vastly and today computer systems are interconnected via different communication medium. The use of distributed systems in our day to day activities has solely improved with data distributions. This is because distributed systems enable nodes to organize and allow their resources to be used among the connected systems or devices that make people to be integrated with geographically distributed computing facilities. The distributed systems may lead to lack of service availability due to multiple system failures on multiple failure points. Definition of Fault Tolerance In a broad sense, fault tolerance is associated with reliability, with successful operation, and with the absence of breakdowns. A fault-tolerant system should be able to handle faults in individual hardware or software components, power failures or other kinds of unexpected disasters and still meet its specification. A fault-tolerance is the ability of a system to continue correct performance of its intended tasks after the occurrence of hardware and software faults. Fault tolerant system research covers a wide spectrum of applications namely embedded real-time systems, commercial transaction systems, transportation systems, and military/space systems, distribution and service systems, etc. Fault tolerance approach in any system results in the improvement as far as…

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