# Why is it recommended to have an Odd number of Orderer nodes on a Network?

It is recommended to have an odd number of Orderer nodes on a network because it helps to ensure that the Network remains operational even in the presence of node failures. When there is an odd number of Orderer nodes, it is easier to achieve a majority consensus, which means that the majority of nodes in the network agree on the order of transactions.

In a network with an even number of Orderer nodes, it is possible to have a split vote or a stalemate situation where there is no clear majority decision. In such cases, it becomes difficult to achieve consensus and reach an agreement on the order of transactions, which can lead to network downtime and potential data inconsistencies.

On the other hand, with an odd number of Orderer nodes, it is always possible to achieve a majority decision, even if some nodes fail or go offline. This provides greater fault tolerance and makes the network more resilient to failures and disruptions.


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