| 21. | Ensuring that the calendars remain in agreement is a form of Byzantine fault tolerance
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| 22. | The decoupled nature of an Agile Application permits it to accommodate fault tolerance and scalability.
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| 23. | However, that traditional fault tolerance cannot always be achieved.
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| 24. | 9 . " Reflections on the History of Operating Systems Research in Fault Tolerance ".
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| 25. | The result is fault tolerance at a cost of a 50 % expansion of data.
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| 26. | This allows for more sharing of disk space among proxies, and for higher fault tolerance.
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| 27. | NonStop systems have more often been bought to meet scaling requirements than for extreme fault tolerance.
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| 28. | Some spacecraft such as the SpaceX Dragon flight system consider Byzantine fault tolerance in their design.
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| 29. | These can be used to pool storage from many disks while providing fault tolerance and redundancy.
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| 30. | Data within the grid can be replicated to achieve fault tolerance and protect against data loss.
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