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Really Small Message Broker

A very small messaging server that uses the lightweight MQTT publish/subscribe protocol to distribute messages between applications.

Date Posted: August 26, 2008

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Update: May 29, 2009
Version 1.1.0 adds support for multiple listeners, stopping and starting of bridge connections and topic "mount points".

1. How do I send and receive MQTT messages?

You can write your own client program using the MQTT specification, or you can use the C or Java clients available from IBM® (linked from http://mqtt.org).

2. When I start the broker on Windows, why do I get the following message: "The system cannot execute the specified program"?

You need to install the Microsoft Visual C++ 2008 Redistributable Package.

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