良好的配置管理工具能够完成这项工作，但是使用它们重新完成部署应用程序中特定的步骤，或者管理迁移和配置回滚是很困难的。
Generic configuration management tools can do the job, but using them to reproduce the specific steps in deploying an application and managing migrations and configuration rollbacks is difficult.
迁移工具使用 XSL 文件，通过应用目标版本的模式更改来取得目标版本的 XML 配置文件。
The migration tool uses XSL files to get the XML configuration files of the target version by applying schema changes on those of the source version.
所有主流工具、平台和成品应用一直都在向SOA迁移，有越来越多的SaaS服务可用。
All the major tools, platforms and packaged applications are moving to SOA and more and more SaaS services are available all the time.
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