Byzantine Failures
Readings - Practical Byzantine Fault Tolerance.pdf Byzantine PAXOS.pdf Notes What can be potential byzantine failures? Wrong replies which cannot be detected Halt consensus(same as crash so not really byzantine) Internal state mismanagement(same as crash) Forgery(Use public/private keys to encrypt data) Converting paxos to byzantine paxos Strategy 1(Outvoting) Increase the number of servers and increase quorum requirement to N = 3f + 1, Q = 2f + 1 Normal paxos wouldn’t work where let’s say- Thought process of increasing servers: There are 4 servers....