1·All this depends on both the scalability of the database server and the middleware managing the connection pool.
所有这一切都依赖于数据库服务器和管理连接池的中间件的可伸缩性。
2·However, this tutorial focuses on the middleware tier.
不过，本教程的重点是中间件层。
3·These mappings will be implemented in the chosen middleware but should not be so onerous as to introduce major performance issues.
这些映射将在所选的中间件中实现，但不应该像引入主要性能问题那样麻烦。
4·By capturing all of these customizations in the form of a pattern, you are ensured of a consistent, repeatable middleware environment.
通过以模式的形式捕捉所有这些定制，您就一定能获得一致的、可重复的中间件环境。
5·Essentially this is a data copy which in middleware is very expensive and should be avoided.
本质上这意味着数据拷贝，这在中间件是十分昂贵的操作应当予以避免。
1·The middleware provides complete, real time data visibility across the plant floor for any and all data collection points.
该中间设备穿过车间地板，为任何和所有数据收集点提供完整的，实时数据可见性。