Computer Science 1033A/B Lecture Notes - Lecture 6: Arpanet, Godaddy, Register.Com

• School: Western University
• Department: Computer Science
• Course: Computer Science 1033A/B
• Professor: Bryan Sarlo

Document Summary

Network: group of interconnected computers: could be connected with wires, wirelessly, satellites. Internet: global system of interconnected computer networks that use the standardized. Internet protocol suite (tcp/ip) to serve billions of users worldwide. Hardware, not software: www is software that runs on the internet. Rules for the format & transmission of data. Standard procedures to govern how data is transmitted online so that they are universal. Common protocols: ftp (to transfer files, http (for websites, voip (video messaging like skype, pop/imap/smtp (for email, tcp/ip (standard data transmission. Funded by advanced research projects agency (arpa) of the us department of defense (dod: aka called arpanet. Opposite of your home phone where you get direct line that only you and the person talking to can use. Tcp/ip has no direct line at the outset of the message. Packet: small group of bytes consisting of a header (tells where it is going: destination &