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QUESTION - Fault Tolerance
(a) Three computers together provide a replicated service. The manufacturers claim that each computer has a mean time between failure of five days; a failure typically takes four hours to fix. What is the availability of the replicated service?
(b) In the gossip architecture, why does a replica manager need to keep both a ‘replica' timestamp and a ‘value' timestamp?
(c) Explain the difference between linearizability and sequential consistency, and why the latter is more practical to implement, in general.
(d) Explain why allowing backups to process read operations leads to sequentially consistent rather than linearizable executions in a passive replication system.
What is Walkthrough? Ans) Usually, a step-by-step simulation of the implementation of a procedure, as when walking by code, line by line, with an imagined set of inputs. The wor
Explain any ten case tools
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i have coursework on software management and dont know how to go about it. I want to find out if you will be able to help me on that. The task is to investgate(research informed pa
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