noun
communication protocol; transmission protocol
Technical computing term for a set of rules governing data exchange between devices.
インターネットではTCP/IPという通信プロトコルが使われている。
The communication protocol called TCP/IP is used on the internet.
A broader term for any protocol; 通信プロトコル specifically refers to communication protocols in computing.
Compound of 通信 (tsūshin, 'communication') and プロトコル (purotokoru, from English 'protocol').