It's surprisingly easy to fool oneself into thinking they've successfully implemented Paxos. You may want to try 6.824: Distributed Systems https://pdos.csail.

It's surprisingly easy to fool oneself into thinking they've successfully implemented Paxos. You may want to try 6.824: Distributed Systems https://pdos.csail.mit.edu/6.824/ https://pdos.csail.mit.edu/6.824/ I learned a lot from working through the online coursework. Alternatively, download the labs and see the wide variety of unit tests. There are a few devilishly difficult ones.