If I understand you correctly, you suggest to have shared dictionary and use Paxos/Raft to order its updates. This approach has limitation - see "There Is More

If I understand you correctly, you suggest to have shared dictionary and use Paxos/Raft to order its updates. This approach has limitation - see "There Is More Consensus in Egalitarian Parliaments" paper for details. I suggest to have dictionary of Paxos/Raft which orders updates only to its element and to use transactions to do multi-object updates.