How does the OSI Model handle data routing?

The OSI (Open Systems Interconnection) Model does not handle data routing directly. Instead, it provides a conceptual framework for understanding and organizing the functions and protocols involved in network communication.

Data routing, which involves the process of selecting the best path for data packets to travel from the source to the destination, is primarily handled by the network layer (Layer 3) of the OSI Model. The network layer is responsible for logical addressing, routing, and forwarding of data packets across different networks.

Within the network layer, routers play a crucial role in data routing. Routers examine the destination IP address of incoming packets and make decisions on the best path to forward the packets based on routing tables and algorithms. These routing tables are built using various routing protocols, such as OSPF (Open Shortest Path First) or BGP (Border Gateway Protocol), which exchange information between routers to determine the optimal routes.

The OSI Model helps in understanding the different layers involved in the overall process of data routing. It ensures that each layer performs its specific functions and communicates with the corresponding layer on the receiving end. This modular approach allows for interoperability and flexibility in network design and implementation.