The Microsoft .NET Framework provides a layered, extensible, and managed implementation of Internet services that can be quickly and easily integrated into your applications. Your applications can build on pluggable protocols to automatically take advantage of new Internet protocols, or they can use a managed implementation of the Windows socket interface to work with the network on the socket level.
Describes the advantages of Internet Protocol version 6 (IPv6) over the current version of the Internet Protocol suite (IPv4), describes IPv6 addressing, routing and auto-configuration, and how to enable and disable IPv6.
Describes how to gather information about network events, changes, statistics, and properties and also explains how to determine whether a remote host is reachable by using the System.Net.NetworkInformation.Ping class.
Describes a set of enhancements to the System.Net.Sockets.Socket class in Version 3.5, 3.0 SP1, and 2.0 SP1 that provide an alternative asynchronous pattern that can be used by specialized high-performance socket applications.
Describes support added in Version 3.5 to support the Peer Name Resolution Protocol (PNRP), a serverless and dynamic name registration and name resolution protocol. These new features are supported by the System.Net.PeerToPeer namespace.
Describes security changes made in Version 3.5 SP1 that affect how integrated Windows authentication is handled by the HttpWebRequest, HttpListener, NegotiateStream, and related classes in the System.Net namespace.