| 摘要 |
<p>Disclosed are a high availability system and an operation method of a message broker in a high availability system. The high availability system of the present invention comprises: a plurality of clients in which a plurality of nodes communicate by publication - subscription messaging, which are respectively positioned in nodes different from each other among the nodes, and which includes an active client for periodically publishing a state message and a standby client; a server positioned in one among the nodes to detect an error of the active client based on state information on the clients, and publishing a fail-over message to the standby client; and a message broker for transferring a message published by the server to the clients, and transferring a message published by the clients to the server.</p> |
