The need for IP addressing
A computer network is a bit like a neighborhood or community. Communities consist of many people, houses, schools, and businesses. Each of these houses and buildings has a postal (mailing) address that allows others to send letters and packages via a courier service to the recipients. Without a mailing or postal address, it's a bit challenging for others to send a physical letter or package to you. Similarly, on a computer network, each device has a unique address that is used for sending and receiving messages (signals) between them. These addresses are known as Internet Protocol addresses and are most commonly referred to as IP addresses.
How do we know which IP addresses can be used on the internet and on private networks? There is a special organization that manages both IPv4 and IPv6 addresses. This organization is known as the Internet Assigned Numbers Authority (IANA). The IANA is also responsible for governing the usage of the Domain Name...
