UDP
An IP address can get a packet to the right server, but a server may be running SSH, a web server, a database, DNS, and many other networked programs at the same time.
Networking foundation TCP and UDP both carry application data across IP networks, but they make a different promise. TCP protects an ordered conversation.
A server can have one IP address and still run a website, SSH, DNS, a database, and many other network services at the same time. How does incoming traffic



