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也就是说，目前请求在到达应用程序服务器之前，必须通过两个组件(代理和odr)，因而增加了延迟。

That is, the requests must now pass through two components (the proxy and ODR) before reaching the application server, which does increase latency.

youdao

现在的运行时由一个单个组件(代理)组成，因此能够更容易地将产品部署到更大范围的处理环境中。

The runtime now consists of a single component (the broker), so that the product is easier to deploy into a wide range of processing environments.

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