In Quorum, specifically for istanbul byzantine fault tolerance (ibft) consensus algorithm, what is the ideal node count for failover? i.e., recommended configuration?
Nathan Aw (Singapore)
The equation to solve that problem is the following:
The system can tolerate at most of F faulty nodes in a N validator nodes network, where N = 3F + 1
You can visit this link https://github.com/ethereum/EIPs/issues/650 in Consensus part to more information.
no ideal or recommended config to offer.
just follow this:
IBFT mode of Quorum inherits from original PBFT and is 2f+1. so if you assume you may have 1node as faulty one so 2*1+1 = 3 + 1f = 4nodes require to ensure ~2/3 of them reach consensus.