In this section, we are going deeper into discussing various types of protocols and their characteristics. We are going to cover the functionality of Internet Control Message Protocol (ICMP), TCP, UDP, and IP.
Protocol types
ICMP
On a network, whether on a Local Area Network (LAN) or a Wide Area Network (WAN), host devices will be communicating to exchange data and information among one another and sometimes an error can occur. Let's imagine you are sending a packet to a server on the internet, and, while your computer is initializing the connection between itself and the remote server, it provides an error stating, it is unable to connect. As an upcoming networking professional, you may wonder why both devices are unable...
