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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.
Software Engineering 1. Discuss the Limitation of linear sequential model in software engineering. 2. Explain Software reliability? Why reliability is more important than ef
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Which is not the purpose of full annealing Produces hardest material.
developer
What is regression testing? Regression testing is the re-execution of some subject texts that have previously been conducted to make sure that changes have not propagated unin
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