- Référence externe : https://en.wikipedia.org/wiki/CAP_theorem
- Consistency Every read receives the most recent write or an error.
- Availability Every request receives a (non-error) response, without the guarantee that it contains the most recent write.
- Partition tolerance The system continues to operate despite an arbitrary number of messages being dropped (or delayed) by the network between nodes
can only provide two of the following three guarantees