Problem 7: Distributed Transactions (a) As we know, for each distributed transaction, there may exist a coordinator, which involves ensuring the same outcome at all of the participate servers through, e.g., two. phase commit protocol. Should such approach be considered distributed or centralized? Please briefly justify your answer. 12 Problem 7: Distributed Transactions (a) As we know, for each distributed transaction, there may exist a coordinator, which involves ensuring the same outcome at all of the participate servers through, e.g., two. phase commit protocol. Should such approach be considered distributed or centralized? Please briefly justify your answer. 12