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For Good Data Management, You Need a Well-Defined SLA

This is a guest post by Peter G. Walen.

The CAP theorem has become a standard way to understand data management behavior in a distributed system. Fundamentally, the CAP theorem asserts that of the three aspects of data management that make up the CAP acronym — consistency (C), availability (A) and partition tolerance (P) — only two are possible at any moment in time.

This is a companion discussion topic for the original entry at