Peter Niblett explains what MQTT is and how it compares with HTTP, showing how to program to it in Java and Eclipse Paho, and reporting on the current MQTT standardization status at OASIS.
In this presentation from QCon San Francisco 2009, Billy Newport discusses the ways that developers interact with key/value (KV) stores such as memcached and WebSphere eXtreme Scale, entity vs column-oriented approaches, synchronous and asynchronous operations, large data sets, using a DBMS as a column store, collocating closures and data, and features that could be added to increase scalability.
Mark Richards tells us what an ESB is, its role, what capabilities it provides, and the various ways an ESB can be implemented. He takes a close look at the JBI specification (JSR-208) and explains what impact it will have with the ESB world. This will teach you how to determine your own specific requirements for an ESB and then match these requirements to the product space.