Enterprise Service Bus: The Volatile Market Landscape
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The enterprise service bus (ESB) product category emerged in 2002 as a defensive response by the enterprise application integration (EAI) market to the disruptive influence of the web services framework (WSF). Web services, with their promise of universal interoperability, threatened to eliminate the proprietary protocols used in EAI products. Rather than fight the threat, EAI vendors embraced the WSF and produced a hybrid product that combined the robust features of proprietary protocols and the interoperability features of the WSF. These ESB systems proved to be simpler, easier, and more powerful than previous generations of EAI. They also proved that a single, universal protocol wasn’t necessary to achieve universal interoperability—ESBs allow organizations to be more tolerant of disparate protocols.
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