The extensive early adoption of IPv4 and the application of methods like NAT (Network Address Translation), CIDR (Classless Inter-Domain Routing), and VLSM to increase its usability are the reasons it has endured this long. But with an increasing number of devices connecting to the internet, it isn’t sustainable because its 32-bit address… Read more

Because to NAT, effective address usage strategies, and its vast existing infrastructure, IPv4 has endured for a long time. Nevertheless, it is unsustainable due to its tired and constrained address space, which complicates NAT, and its inability to effectively serve the increasing number of devices. These problems are resolved by IPv6’s… Read more

IPv4 has lasted thus long mostly thanks to Network Address Translation (NAT) and the private address system but this is not without shortfalls.

What are the disadvantages of CIDR and VLSM?