New Concepts, Additions and Changes for Windows Sockets 2

This section summarizes Windows Sockets 2 and describes the major changes and additions it contains. Windows Sockets 2 differs from Windows Sockets 1.1 in several ways, particularly in the architecture. The new architecture, discussed in Windows Sockets 2 Architecture, provides the foundation for many of the new concepts that have been incorporated into Windows Sockets 2.

An overview of the additions and changes in Windows Sockets 2 follows the discussion of the new architecture.

Many of the functions in Windows Sockets 2 are the same as in the other versions of sockets. However, there are several new functions, which are summarized in Summary of New Functions. For detailed information on how to use a specific function or feature, refer to the Reference section.