通过结合身份验证和传输中的数据保护，XMPP可以应用在不同的层次，而且可以作为一个理想的中间件协议。
Along with authentication and in-transit data protection, XMPP can be applied at a variety of levels and is ideal as a middleware protocol.
您可以使用此选项来创建整个复杂的目录树(在脚本中使用是非常理想的)，而不只是创建简单的层次结构。
You can use this option to make entire complex directory trees, which are great to use inside scripts; not just simple hierarchies. For example.
在理想状态下，在facade上的方法应该提供对业务逻辑行为的高层次访问，并且不能包含任何有关逻辑是如何被实现的蛛丝马迹。
Ideally, methods on the facade should provide high-level access to the business logic behavior and contain no hint of how the logic is actually implemented.
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