US Patent 10362131 Fault tolerant message delivery

A plurality of redundant brokers may be used as intermediaries to exchange messages between one or more producers and one or more consumers. More specifically, one or more producers may enqueue messages to a primary broker. The primary broker then dispatches the received messages to one or more interested consumers. However, should the primary broker fail, messages enqueued by the producers may be lost, and thus delivery of such messages may fail. Accordingly, one or more backup brokers may be provided that can assume the responsibilities of the failed primary broker and dispatch copies of the messages that were enqueued by the producers to the failed primary broker.