Page "General Comprehensive Operating System" Paragraph 6

The networking architecture, developed by Honeywell-Bull for the GCOS environment, was Distributed Systems Architecture ( DSA ).

Distributed Systems Architecture was strictly compliant with Open Systems Interconnection.

Datanet was the communications front end for GCOS while its successor MainWay supports both DSA and TCP / IP networks.

The Questar series provided VIP terminals for the DSA environment.

TNVIP ( VIP over IP ) is used for the terminal emulation in a TCP / IP environment ( GLink, Winsurf ).