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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.
Differentiate between object oriented and function oriented design . Function-oriented design relies on recognizing functions which transform their inputs to make outputs. I
What are the advantage and disadvantage of SRS?
what is software process model and waterfall model?
Distinguish software faults and software failures Ans: In case of a failure, the software does not do what the user expects. A fault is a programming error that may or may not
What are the advantages of horizontal partitioning? i. Software is must be easy to check. ii. Software is handy to maintain. iii. Create fewer side effects. iv. Softwa
I need help creating a DFD for an assignment. Is there anyway you could help?
Illustrate about the Behavioural model Behavioural model defines: Data of proposed system. (i) The internal functioning of proposed system, (ii) Inter-relationship
QUESTION - RMI (a) Figure illustrates an RMI communication. Describe the role of each component in the RMI. (b) Explain the ter
What is architectural evolution? Architectural evolution is the practice of modifying a system from a centralized architecture to a distributed architecture like client server.
Aggregation between objects Aggregation among objects shows a relationship. It is a whole/part relationship. Aggregation might be implying containment.
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