Open Transport

Open Transport, sometimes stylized as OpenTransport, was Apple Computer's standards-based networking and communications software. Debuting with Mac OS 7.5.2, it replaced MacTCP and included the AppleTalk and TCP/IP control panels and software components.

Open Transport provides a foundation for flexible, high-performance network communications. These include connectivity to networks running on:


 * AppleTalk
 * Ethernet
 * LocalTalk
 * TCP/IP

Other services supported include file sharing, printing and email. On Power Macintosh computers, Open Transport provides PowerPC-native networking.