Description
This tutorial will show you how to create applications communicating across a network using the C language In this tutorial, we chose Windows as the target platform but know that for applications, the network appears like a black box, which means that an application does not need to know the system is running under the application remote and regardless of the language in which it was written to communicate with. All that matters is that they must "hear" them, that is to say, be much agreement on how to exchange data. The rules stipulate that this way of exchanging information between two nodes of a network is called a protocol. But there are several levels of protocols. The applications use a protocol called "high level" because this protocol can be defined by anyone (this is the programmer who sets the rules), but the data exchanged between applications are not transoprtées on the network such that 'they are. They are preceded by a header that contains essential information such as address of the sender, the recipient, etc.. otherwise it would be impossible to identify. This is done by lower level protocols which will be discussed later.
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