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Consistency - The result of a read at T1 is the same at T2 if there were no writes between T1 and T2. Basically, any read can see any previously completed write.
- Availability - The system can service all reads and writescan respond to a request in a timely manner.
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Wikipedia defines Consistency as all nodes see the same data at the same time, but that is incorrect because CAP is defined by the observed rather than actual state of the system. |
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