noun
one-way communication
Technical term in computing and telecommunications for communication where data flows in only one direction, such as simplex transmission.
このシステムは片方向通信しかサポートしていない。
This system only supports one-way communication.
双方向通信 means two-way communication, where data flows in both directions, contrasting with 片方向通信.
Compound of 片方向 (one direction) and 通信 (communication).