成熟度较低的企业应该能够使用您的服务，而且不需要在技术方面进行大量资金投入，也不需要对其业务流程进行较大的更改。
A less-mature company should be able to use your services without a huge investment in technology or major changes in its business processes.
通过使用pam框架，可以添加多种认证技术，而不必更改任何登录服务，从而可以保留已有的系统环境。
With the PAM framework, multiple authentication technologies can be added without changing any of the login services, thereby preserving existing system environments.
此技术允许您将现有应用程序作为Web服务公开，有时更重要的是，这意味着现有的应用程序无需更改即可使用Web服务。
This technique lets you expose your existing applications as Web services, and sometimes more importantly, it means that existing applications can consume Web services without change.
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