Similar to 3ウェイ・ハンドシェイク

Three-letter acronym

Moscow Conference (1945)

Three Ritual Classics

Three Laws of Robotics

Triad (music)

Internet protocol suite

Exterior Gateway Protocol

Link-local address

Automatic Certificate Management Environment

Bootstrap Protocol

Caddy (web server)

Classless Inter-Domain Routing

DCE Distributed File System

Diameter (protocol)

DNS over HTTPS

DNS over TLS

DNS-based Authentication of Named Entities

DNSCrypt

Dynamic synchronous transfer mode

Enhanced Interior Gateway Routing Protocol

Endpoint Handlespace Redundancy Protocol

Fiber Distributed Data Interface

File eXchange Protocol

Finger (protocol)