CP102 Chapter Notes - Chapter 13: National Science Foundation, Internet Exchange Point, Ip Address
Document Summary
The national science foundation (nsf), which is a u. s. government-funded agency, still pays for a large portion of the internet"s infrastructure and funds research and development for new technologies. The primary source of nsf funding is federal taxes. Internet backbone: the main pathway of high-speed communications lines over which all internet traffic flows. A collection of large national and international networks, most of which are owned by commercial, educational, or government organizations. Individual internet users enter an internet exchange point (ixp) through a point of presence (pop). A communications methodology that makes computer communication efficient; in packet switch, data is broken into smaller chunks called packets. Packets/ data packets: a small segment of data that"s bundled for sending over transmission media. Each packet contains the address of the computer or peripheral device to which it"s being sent. Tcp/ip - transmission control protocol, the internet protocol. Tcp & ip: the original two protocols developed for the internet.
