CIS 1000 Lecture Notes - Lecture 7: Transmission Control Protocol, Packet Switching, Internet Backbone

• School: University of Guelph
• Department: Computing and Information Science
• Course: CIS 1000
• Professor: Zoe Zhu

Document Summary

The internet is one large network that is composed of smaller connected networks all over the world. Not owned by any single person or organization. Various different government agencies, universities, cities, private-sector companies, and even individual people are in charge of these smaller networks. There are also a number of organizations that are involved in maintaining, developing, and improving the internet, these are non-profit organizations like the internet society. The structure of the internet, it is a lot more complex than a local network. The main paths of the internet are called the internet backbone. They are the fastest communication paths of the internet and are used to transmit large quantities of data between major locations. The backbone consists mostly of optical carrier lines also known as oc lines. These are extremely high-speed fiber-optic cables that are designed to support heavy traffic. Your connection to the backbone is through internet service providers commonly referred to as isps.