State Management

A MidoNet Network State Database is a cluster of servers that stores MidoNet configuration, run-time state, and statistics data.

MidoNet stores configuration-state information in two different systems. MidoNet uses Apache™ Zookeeper™ and Cassandra™ for coordinating the operation between MidoNet Agents, as well as storing the network configuration and state (Network State Database nodes).

You should configure dedicated servers in this cluster to run the MidoNet Network State Database and the servers should not host other software. It is recommended to dedicate three servers to this role.

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