Uplink refers to the transmission of information from the user's computer to the network, such as uploading files and sending emails, and the corresponding transmission speed is called uplink rate.
Downlink refers to the direction and speed of downloading data from the network to the user's computer, such as browsing web pages and watching online videos, and the corresponding transmission speed is called downlink rate.
In computer networks, uplink and downlink are two important concepts, which involve the transmission and communication of network data and are of great significance for understanding network behavior and performance.