Telecommunications and the Internet had my undivided attention. What an interesting subject. This week I learned the difference between the Internet and the Web. You see, the Internet is the infrastructure of networks. The web is the way we access that network of networks. A process occurs when we engage a web search. A search engine will help us find what we are looking for.
Once the web address, URL or link is clicked the journey begins. The web server passes its contents to the TCP, transmission control protocol. The TCP breaks the Web page into easier to handle pieces or packets. The packets make a race to the user's computer. As the pieces arrive they are checked for errors and re-requested if there are errors. Once all of the pieces arrive properly, the TCP of the user's computer puts the pieces in order and then you see the Web page you requested.
TCP is one type of protocol. But what if you want faster images like when you are watching a movie? UDP, user datagram protocol, is the protocol we use. UDP sends messages and breaks video into packets just like TCP. The difference is that UDP permits some errors to increase speedy returns.
There is a third type of protocol called VoLP, voive over Internet protocol. VoLP is used for Internet phone calls. VoLP uses packet-switched networks verses the land-line which uses circuit-switched circuits. VoLP are becoming more reliable as the Internet gets faster and more reliable.
Here is a nice little video to help explain protocol a little more:
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