Layer 3, also known as the network layer, is an essential component of the OSI (Open Systems Interconnection) model. It operates at the third layer of the model and is responsible for the routing of data packets across different networks. The main function of Layer 3 is to establish end-to-end communication paths between hosts on different networks. It accomplishes this by adding logical addressing information to data packets, allowing them to be routed through intermediate networks until the...
