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Writing a network-aware application isn’t difficult, but writing one that is scalable can be challenging. Overlapped I/O using completion ports provides true scalability on Windows NT 010-111 and Windows 2000. Completion ports and Windows Sockets 2.0 can be used to design applications that will scale to thousands of connections. The article begins with a discussion of the implementation of a scalable server, discusses handling low-resource 020-222 , high-demand conditions, and addresses the most common problems with scalability. Earning to write network-aware applications has never been considered easy. In reality, though, there are just a few principles to master–creating and connecting a socket, accepting a connection, and sending and receiving data. The real difficulty is writing network applications that scale from a single connection to many thousands of connections. This article will discuss the development of scalable Windows NT® and Windows 2000-based applications that use Windows® Sockets 2.0 (Winsock2). The primary focus will be the server side of the client/ server model; however 030-333 , many of the topics discussed apply to both.
Because the notion of writing a scalable Winsock application implies a server application, the following discussion is pertinent to applications running on Windows NT 4.0 and Windows 2000 040-444 . We’re not including Windows NT 3.x because this solution relies on the features of Winsock2 that are available only on Windows NT 4.0 and newer.