NETWORK LAYERS DESIGN ISSUES
What is Network Layer * Network layer is the third layer in the OSI model of computer networks . * It's main function is to transfer network packets from the source to the destination. * It is involved both at the source host and the destination host. Network Layer Functions: Routing : When a packet reaches the router's input link, the router will move the packets to the router's output link. For example, a packet from S1 to R1 must be forwarded to the next router on the path to S2. Logical Addressing: The data link layer implements the physical addressing and network layer implements the logical add...