Servizi e Protocolli Intermediari
- API (Application programming Interface)
- IBM APPC
- Informix star
- ODBC
- SQL Server (DB_Library)
- IBI (EDA/SQL)
- Oracle (Sql*net)
- LAN (Local area network)
- AppleTalk
- Named Pipes
- NetBIOS
- SPX/IPX
- TCP/IP
- OSI
- APPC
- WAN
- SNA LU 2
- SNA LU 6.2
- TCP/IP
- DECNET
- SONET