March 2020
Intermediate to advanced
626 pages
14h 45m
English
Content preview from Mastering Service Mesh
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Consensus protocol
Consul uses a consensus protocol to provide consistency of transactions, as defined by the Consistency, Availability, and Partition (CAP) tolerance theorem. The CAP theorem states that in a distributed system, we can achieve any two of the following qualities, but not all three:
- Consistency (C): Provides a single up-to-date copy of the data
- Availability (A): High availability of data for updates
- Partition (P): Tolerance to network partitions
Eric Brewer of the University of California presented CAP as a theory in 2000; it was proved by Seth Gilbert and Nancy Lynch of MIT in 2002.
Consul provides CP tolerance. Please refer to https://www.consul.io/intro/vs/serf.html for more information.
The basic steps involved in transaction ...
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