The maximum speed is usually given as 100 megabits per second downstream (from the network to you) and 50 megabits per second upstream (back to the network).

通常给出的最高速度是下行100兆每秒(下行就是数据从网络到你)，上行速度50兆每秒(你传输数据到网络)。

youdao

By making a call to a local controller, you protect your downstream clients from implementation changes.

现在，通过调用一个本地控制器，可以保证下游的客户机不受实现更改的影响。

youdao