Distributed Queue Dual Bus (DQDB) 2. Data Interchange Standards Association. A not-for-profit organization created for the development of cross-industry business interchange standards. DISA serves as the Secretariat for the ANSI Standards Committee (ASC) X12 and their X12 Electronic Data Interchange (EDI) and Extensible Markup Language (XML) standards development processes. See also ANSI, EDI, standards, and XML. |