In terms of performance, this is not the best solution because the message queue connection connector in the middle incurs extra messaging costs.

就性能而言，这不是最佳的解决方案，因为中间的消息队列连接连接器引入了额外的消息开销。

youdao

In order to maximize performance, the approach is to allow for the middle tier to reuse the same physical connection without the need to re-authenticate the user at the database server.

为了提高性能，这种方法应允许中间层重用相同的物理连接，而不需要重新在数据库服务器上对用户进行身份验证。

youdao

When the middle tier establishes a connection with DB2, the middle-ware’s user ID and password are used for authentication purpose.

当中间层建立一个与 DB2 的连接时，可使用中间层的用户 ID 和密码进行认证。

youdao

Or maybe his connection to the Middle East?

WSJ: Review: Rajiv Joseph's 'The North Pool' engrossing

This connection also has historic roots -- during the Middle Ages, extravagant meals or banquets hosted by the wealthy often featured sculptures made from edible ingredients like pastry dough, sugar and ice, according to the book Ice: The Nature, the History, and the Uses of an Astonishing Substance.

BBC: The origins of ice sculpting

Their man-in-the-middle positioning adds some latency to users' connection, but the Defcon rerouting suggests that it's too small for most people to notice.

FORBES: Magazine Article