Can you elucidate on the role of consensus algorithms, such as Paxos and Raft, in achieving fault tolerance and data consistency in distributed databases and replicated state machines, highlighting their differences in terms of fault tolerance guarantees, scalability, and ease of implementation? 

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Consensus Algorithms in Distributed Systems Paxos and Raft 1 Introduction Consensus algorithms play a crucial role in achieving fault tolerance and data consistency in distributed databases and replic... View the full answer