Connecting players in a virtual world
The core of a virtual world is multiplayer. Multiplayer means players need to connect to each other in order to interact in the virtual world. There are two main transport protocols in the Internet — TCP and UDP. We will have a brief discussion on them and then discuss the network model that connects computers.
A brief introduction to transport protocols
There are two main transport protocols that the computers use to deliver data from applications to the network and vice versa. They are Transmission Control Protocol (TCP) and User Datagram Protocol (UDP).
There are some main differences between TCP and UDP:
TCP provides reliable communication with error detection and recovery. The data delivered by TCP is in ...