The Internet (Lecture)

In our IL (Independent Learning) lesson today we were talking about the internet. We had a lecture about it and it was led by Dr. Parker. Here are some notes I took:

The Internet

What are the functions?

The three Concepts:

- Packet switching
- Network of networks
- TCP/IP

Process:

1. A networks connects lots of computers.
2. Internet  connects all of those computers together.
3. If you want to send something, the network finds the computer and finds the IP address. The things  being sent will be put in little packets and are sent out one at a time.
4. The packets contains any route to arrive to their destination but will choose the fasts one.
5. Once arrived, it will be put in order.

Braking packets - packet switching
Finding computer - Network of networks.

Here is an example based on what we have learnt: