COMPUTER NETWORKING

Detailed explanation-1: -IP is responsible for delivering the packets from source to destination, and regardless of the version being used, packets must use some form of addressing to uniquely identify the message source and message destination. This is very similar to the way that you address a letter that you send through the post.

Detailed explanation-2: -Each router examines and sends each IP packet individually-this is called packet switching. If the network changes, due to congestion or faults, routers can use an alternative interfaces to reach a destination. So packets may travel over different routes to reach the same destination.

Detailed explanation-3: -Destination IP address – the IP address of the host that should receive the packet. Options – used for network testing, debugging, security, and more. This field is usually empty.