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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.
how to choose a software methodology for a software project
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Within the discussion board area, respond to the following questions with your thoughts, ideas, and comments. This will be the foundation for future discussions by your fellow clas
1.1 Discuss possible ramifications of these opposing objectives on the project. What would you do if you were the manager?
Testing that collects timing and processing information during program implementation that might change the behavior of the software from its behavior in a actual environment. Usua
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Hello, I have an assignment and have to derive a regular expression based on a CFG provided but i dont know how. please help.
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