Paxos necessarily livelocks and still seems useful. More generically, all nonblocking algorithms which are only “obstruction-free” can livelock, but techniques

Paxos necessarily livelocks and still seems useful. More generically, all nonblocking algorithms which are only “obstruction-free” can livelock, but techniques like randomized backoff can make them quite reliable in practice (just like Paxos/Raft).