The Super Socket Net-Lib deals with inter-computer communications and coordinates the secondary Net-Libs – though the TCP/IP secondary Net-Lib is an exception in that it calls on the Windows Sockets 2 API directly.The Banyan VINES, Apple Talk, Server Net, IPX/SPX, Giganet, and RPC Net-Libs were dropped from MDAC 2.5 onwards.
The Microsoft SQL Server Network Library, a proprietary access method specific to Microsoft SQL Server, is also included in the MDAC.
Developers of Windows applications are encouraged to use ADO or ADO.
There have been several deprecated components as well, such as the Microsoft Jet Database Engine, MSDASQL (the OLE DB provider for ODBC), and Remote Data Services (RDS).
Some components have also become obsolete, such as the former Data Access Objects API and Remote Data Objects.
The Network Library router had the job of managing all these protocols, however now only the named pipes secondary Net-Lib is managed by the router.