The advantages are not only on the performance side. With the segmentation like this in multiple subnets, overall traffic is reduced, each subnet is a broadcast domain an… See more

How can we tell which portion of the IP address is the network and which portion is the host? In classful routing, the class would tell us which bytes are dedicated to the networ… See more

The subnet mask is going to be used by hosts, to identify traffic that goes outside of their own subnet, and it is also going to be used by routers to identify networks and subnets an… See more

In this class B example, we have more room to borrow bits from the host portion. But it follows the similar process and a similar logic. In this example, we borrow, let us say, 4 bi… See more