X.25

XML

The first international standard packet switching network developed in the early 1970s and later published by the International Telecommunications Union, Telecommunications Sector (ITU-TS). A system which enables computers on different networks to communicate through an intermediary computer.

Stands for Extensible markup language. A programming language developed by the Word Wide Web Consortium. A simplified version of SGML, XML allows programmers to create their own tags, enabling more complex connectivity with digital content.