What is a virtual circuit?

virtual circuit, shortened VC and also known as virtual connection or virtual channel, provides connections between network points in telecommunications and computer networks. The virtual circuit allows you to go through the information packets between two connections. Usually, virtual circuits are used in fast transfer networks such as connecting asynchronous transmission mode (ATM). While the virtual circuit may seem like a physical path that connects two points in the network, it actually switches back and forth between different circuits to create different paths as needed. The network is simply a collection of different circuits or roads to connect all different users to the network or other connection point. When linking to circuits in connection with electronics, such as use in the counting, but more likely to combine more than two points to avoid signals in the form of electric currents. These circuits are permanent, while the virtual circuit can create different ways through a collection of different circuits and has no fixed, a permanent path that must follow.

There are two types of virtual circuits: permanent virtual circuits (PVC) and switched virtual circuits (SVC). As the names indicate, the permanent virtual circuit always remains connected, while the switched virtual circuit is connected only when use and then disconnects. Usually, PVCs are used on the mains with a frame that connect local networks with wider networks in the area. SVC can be used on relay networks with a frame, but it must maintain a constant connection during transmission.

virtual circuits can also be referred to as logical circuits and it is important to remember that while the circuit can change its way and connection to different networks or points, it still connects only two points at a time. It determines what two connections need to create and set the best way for smooth and fast transmission. For this reason, it seems to be a normal connection of the circuit that remains on its bowlyou. The difference is how the virtual circuit can choose two different points if necessary and create a new connection. This allows quick transfers between different networks using fewer resources.