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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.
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CAPABILITY MATURITY MODEL (CMM): CMM is a strategy for recovering the software process, irrespective of the actual life cycle model used.
Aim to follow the weekly schedule - some time in each tutorial class will be devoted to working in your teams of two under the guidance of your tutor on this project. However, te
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Define software scope. The first software project management activity is the determination of software scope. Scope is explained answering the following questions. Context:
What is Product metrics? A quality metric should be a predictor of product quality. Classes of product metric Dynamic metrics which are collected by measurements made
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