The primary issue preventing communication between networked devices is IP addressing.

Have you ever wondered how a simple click and server name search for a web application or server actually works?

Each application, or service provider, in this complex web of networking is given an IP address, a special value. Instead of using IP addresses, we employ domain names for purposes of common human understanding. The DNS server plays a critical role in allocating an IP address to a given domain. The only characters allowed in the domain name are underscore and alphanumeric.

We must set some rules that both devices must abide by in order for communication to be successful; these rules are known as protocols. Protocols are a crucial component