Windows Sockets 2 Features
The new Windows Sockets 2 extends functionality in a number of areas.
Windows Sockets 2 Features
Access to protocols other than TCP/IP
| Windows Sockets 2 allows an application to use the familiar socket interface
to achieve simultaneous access to a number of installed transport protocols.
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Overlapped I/O with scatter/gather
| Windows Sockets 2 incorporates the overlapped paradigm for socket I/O and
incorporates scatter/gather capabilities as well, following the model established
in Win32 environments.
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Protocol-independent name resolution facilities:
| Windows Sockets 2 includes a standardized set of functions for querying and
working with the myriad of name resolution domains that exist today (for example
DNS, SAP, and X.500).
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Protocol-independent multicast and multipoint:
| Windows Sockets 2 applications discover what type of multipoint or multicast
capabilities a transport provides and use these facilities in a generic manner.
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Quality of service
| Window Sockets 2 establishes conventions applications use to negotiate
required service levels for parameters such as bandwidth and latency. Other
QOS-related enhancements include socket grouping and prioritization, and mechanisms for
network-specific QOS extensions.
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Other frequently requested extensions
| Windows Sockets 2 incorporates shared sockets and conditional acceptance;
exchange of user data at connection setup/teardown time; and protocol-specific
extension mechanisms.
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