WebSphere MQ enables you to integrate your applications reliably and consistently, allowing you to leverage your existing software and hardware assets more effectively. As the current market leader for message-oriented middleware, it offers scalable, enterprise-class connectivity designed to grow with your integration challenges and needs. WebSphere MQ enables you to begin deploying your enterprise service bus (ESB) today and gain the benefits of an integrated service-oriented architecture (SOA).WebSphere MQ provides reliable, resilient application integration by passing messages between applications and Web services. It reduces the risk of information loss and the need to reconcile communicating IT systems by using queuing and transactional facilities that help preserve the integrity of messages across the network. WebSphere MQ eliminates the need to write complex communications code and offers a choice of simple APIs (Message Queue Interface [MQI] and JMS) that are consistent across the range of more than 40 supported operating environments.