A reference model is a virtual model which defines how communication should take place. It logically divides the processes which are required for the communication into layers. This concept is known ...

Getting a handle on the invisible part of your network—the protocols that are in use—can be of enormous value in helping you detect problems. So far, we've talked about the tangibles of your ...

C'est aussi un modèle de plus en plus utilisé et qui est vital pour obtenir une bonne connexion à Internet. S'il y a bien une correspondance grossière entre les protocoles de la pile IP et les couches ...

Avant toute chose, je tiens à informer les lecteurs qu'il ne s'agit pas là d'un cours magistral sur les réseaux. En effet, il s'agit de vulgariser un vocabulaire informatique, afin de permettre à ...

According to the OSI Model, the session layer is where connections are established, managed, and torn down. For connection-oriented network protocols, understanding how the session layer works, and ...

From the OSI and TCP/IP models to subnetting, commands, and real-world fixes, understanding networking fundamentals is key to building, maintaining, and troubleshooting secure, efficient systems. By ...

Whether it’s wired or wireless, most data communications today happens by way of packets of information travelling over one or more networks. But before these networks can work together, though, they ...