1 00:00:00,210 --> 00:00:01,480 What are IP addresses? 2 00:00:01,500 --> 00:00:05,930 You probably heard before some of you might know, but just to go over very briefly, when you're an 3 00:00:05,940 --> 00:00:12,570 Internet or it's on a network, General, a computer has to have an IP address, an IP address, just 4 00:00:13,530 --> 00:00:18,630 as ID card kind of identifies who you are when you are a network. 5 00:00:19,110 --> 00:00:23,910 So IP addresses the phone numbers, just how people are going to be able to contact you. 6 00:00:24,180 --> 00:00:29,920 If someone wants to call you a city with, they've got to pull it, be a no hit call or type new messages, 7 00:00:29,920 --> 00:00:30,820 send it to that number. 8 00:00:30,850 --> 00:00:36,450 OK, so it's also important to know that, you know, two computers have the same address, just like 9 00:00:36,450 --> 00:00:38,490 you can't have the same phone number, someone else. 10 00:00:38,510 --> 00:00:39,550 It's impossible. 11 00:00:39,960 --> 00:00:43,010 So now you need to know, you know, how to data. 12 00:00:43,020 --> 00:00:44,890 How does data travel across networks? 13 00:00:44,910 --> 00:00:49,890 Now, we're going to keep this very high level just to make it very simple and just help you understand 14 00:00:50,250 --> 00:00:53,460 data travels in the forms of packets. 15 00:00:53,520 --> 00:00:56,610 OK, so you can think of packets like envelopes. 16 00:00:56,610 --> 00:01:04,230 And inside of these envelopes is data that's just packed in there and then they're sent off. 17 00:01:05,010 --> 00:01:08,660 Now, each packet, like an envelope, has two addresses attached to it. 18 00:01:09,040 --> 00:01:11,640 It has a Swiss address, which is where it's coming from. 19 00:01:11,970 --> 00:01:17,280 And then also it has a destination address, which is where that packet is going to go. 20 00:01:17,760 --> 00:01:24,510 So now you might know, you know, at your house, you have a router that you're, you know, like Verizon 21 00:01:24,510 --> 00:01:29,480 files or Comcast or someone set you up with a router that connect to the Internet. 22 00:01:29,790 --> 00:01:32,970 So this router does what its name says. 23 00:01:32,970 --> 00:01:34,020 It routes packets. 24 00:01:34,260 --> 00:01:39,810 So the routers read the packets is send them on the correct routes to the destination address.