Developers of message-oriented applications have a choice they must make early on in the development process - pick a commercial messaging product, or roll their own cheaper, lighter-weight solution.

• 面向消息的应用程序的开发人员在开发过程的初期就必须做出选择--选择一个商业消息产品,或者构建自己的更便宜的、更轻量级的解决方案。