Windows Open Services Architecture - includes Windows Sockets API.

Windows Open Service Architecture. A framework of open-ended interfaces allowing Microsoft Windows and applications running under it to integrate with enterprise computing environments. It includes APIs for messaging (MAPI), standard access to databases (ODBC) and extensions to financial services.

Windows Open Services Architecture. An architecture and set of application programming interfaces for Windows that standardized the interfaces developers use in accessing underlying network services.

Windows Open Standards Architecture

Windows Open Services Architecture. A common set of interfaces that connect front-end applications with back-end services. See also: service

Windows Open Services Architecture. A set of API s for the Windows environment to enable Windows applications to talk to other systems across a network (notably to a mainframe using SNA). WOSA was developed by a consortium of 20 vendors headed by Microsoft. IBM was a member, although initially it rather sniffily said that WOSA won’t be able to do much that you can’t already do from OS/2 anyway. By the mid 1990s, WOSA had created MAPI, SAPI, TAPI, among other standards.