OpenESBs in Action is a comprehensive look at the leading Enterprise Service Bus open-source products and how they are applied in the enterprise. Tijs Rademakers and Jos Dirksen offer a book overview and insights into its contents, including: ESBs covered in their research; Why they chose Mule and ServiceMix as their leading examples; The advantages and disadvantages of using technology neutral and JBI-based ESBs; Which ESB is better for legacy system integration?; What are some compelling reasons to ditch commercial ESBs in favour of Mule or ServiceMix?