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July 25th, 2014 07:00
ViPR Strong Consistency/Asynchronous Replication
I'm curious to understand how ViPR 2.0 Strong Consistency works in the context of the CAP Theorem, especially because ViPR object replication is asynchronous?
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SALAMN
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July 30th, 2014 07:00
For readers who are not familiar with the CAP Theorem, I have provided the definition below courtesy of Wikipedia:
“In theoretical computer science, the CAP theorem, also known as Brewer's theorem, states that it is impossible for a distributed computer system to simultaneously provide all three of the following guarantees:
1. Consistency - (all nodes see the same data at the same time)
2. Availability - (a guarantee that every request receives a response about whether it was successful or failed)
3. Partition tolerance - (the system continues to operate despite arbitrary message loss or failure of part of the system)”
For more detail on EMC ViPR , see the EMC ViPR 2.0 Product Documentation Index