随需应变的电子商务（E-Business On Demand）最早由IBM提出，它是指能够满足在不可预测的环境变化中的客户需求，它集成了企业合作伙伴、供应商及客户间端对端的协作处理，能够对客户需求、市场机会和外部威胁作出快速的反应和高效的处理。
电子商务随需应变应用程序中通常需要状态管理，但是最好由专用的机制或通过J2EE事务进行处理。
State management is often needed within e-business on demand applications, but it is best handled by a proprietary mechanism or through J2EE transactions.
IBM确信Web服务是下一代电子商务——随需应变电子商务(e - business on demand)的关键构件。
IBM believes that Web services are a key building block for the next generation of e-business, e-business on demand.
正如我们上个月讨论的，无状态会话bean是为电子商务随需应变(e - business on demand)应用程序精心设计的。
As we discussed last month, stateless session beans are well designed for e-business on demand applications.
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