Presentation on theme: "How does the Internet works? servicio-de-internet-como-derecho-humano"— Presentation transcript:
How does the Internet works? servicio-de-internet-como-derecho-humano ha-cambiado-la-forma-de.html
Lesson Objectives Some of you should be able to Describe the steps required to visit Most of you should be able to Explain a DNS system All of you should be able to Define terms related to how the Internet works.
The all mighty Internet By Omar Álvarez
First things first: Networks A collection of computers interconnected IP Addresses Routers and switches
Steps to visit a website 1.Type in URL 2.URL is translated to IP address. 3.Message is sent through the network. 4.Routers resend message through the network. 5.Message/request arrives to its destination. 6.Message travels back
Domain Name Servers? Convert URL to IP addresses.
Check the maps
Steps to visit a server 1.Type URL 2.DNS retrieves IP Address 3.Message Sent to router 4.Router to router 5.Server receives message and answers back
Issues related to the use of Internet Use maps to generate new ideas.