Labels:computer | hakham | laptop | monitor | person | scissors | window OCR: 330 CHAPTER SECTION Internet Services WHEN YOU HAVE an Internet connection, you have access to global data communications system. You know that protocols such as TCP/IP and UDP handle basic data transport but additional protocols, sometimes referred to as application protocols, make possible variety useful Internet applications such as real- -time messaging. Voice over IF grid computing, FTP, and file sharing Section explains how these appli- cations work REAL -TIME MESSAGING What IS real-time messaging? A network- -based real-time messaging system allows people to exchange short messages while they are online. One-on-one messaging is referred to as instant messaging (IM) and group communications are referred to as chat Every day, millions of people use messaging systems, such as AOL Insta ...
